Question

Find x in the following proportions:-
i) 18 : x = 27 : 3
ii) 7/14 = 15:x

Answer 1

Answer:

answer1.

Given :18:x=27:3

to find the value of x

18:x=27:3

18/x=27/3

18×3=27×x

18×3/27= x

2=x

Hence the value of x is 2

Answer2.

answer

109

explanation

4+15*7

=4+105

=109

Hope this will help you.

Answer 2

Answer:

i) 18: x = 27 : 3

Solution:

⇒ $\frac{18}{x} = \frac{27}{3}$

⇒ $\frac{18}{x} = \frac{9}{1}$

⇒ $\frac{18}{x}$ × $\frac{1}{9}$

⇒ $\frac{2}{x}$  = 1

⇒ x = 2

ii)7: 14 = 15 : x

Solution:

⇒ $\frac{7}{14}= \frac{15}{x}$

⇒ 7x = 14 × 15

⇒ 7x = 210

⇒ x = $\frac{210}{7}$

⇒ x = 30

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