Question

if the following quantities are in proportion , find the value of x in sum of x,9,20 and 45​

Answer 1

Ans:

x:9::20:45

=>x/9=20/45

=>x×45=20×9

=>x=(20×9)/45

=>x=4

Answer 2

Given :

• x , 9 , 20 and 45

To find :

• Value of x

Solution :

x/9 = 20/45

45x = 20 x 9

x = ¼

Extra information :

Quantity : Quantity is defined as an amount, measure or number. An example of quantity is how many apples are in a barrel. Quantity is a property that can exist as a multitude or magnitude, which illustrate discontinuity and continuity. Quantities can be compared in terms of "more", "less", or "equal", or by assigning a numerical value in terms of a unit of measurement.