12, 18, 22, 33 these numbers are in proportion or not? Write yes or no.
Answers
yes they are in the proportion
because , 12:18::22:33
product of external=produc-t -of means
:-12×33=18×22
:- 396=396
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Yes 12 , 18 , 22 , 33 are in proportion
Given :
Four numbers 12 , 18 , 22 , 33
To find :
To check whether they are in proportion
Solution :
Step 1 of 3 :
Write down the given numbers
The given numbers are 12 , 18 , 22 , 33
Step 2 of 3 :
Write down the condition for proportion
Four given numbers a , b , c , d are said to be in proportion if product of extreme terms = product of middle terms
That is , a × d = b × c
Step 3 of 3 :
Check whether 12 , 18 , 22 , 33 are in proportion
Extreme terms are 12 & 33
Middle terms are 18 & 22
Product of extreme terms = 12 × 33 = 396
Product of middle terms = 18 × 22 = 396
Thus we observe that
Product of extreme terms = Product of middle terms
Hence we can conclude that 12 , 18 , 22 , 33 are in proportion
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