Math, asked by sugarxcoffeeeee, 17 days ago

Find the values of x for which the following ratios are in proportion:
(a) 3:4 :: x:20
(b) x: 48 :: 18:12
(c) 7:21 :: 22: x
(d) 12:x :: 8:30​

Answers

Answered by shivam4215k
1

Answer: 1(15)' 2(72)' 3(66)' 4(45)

Step-by-step explanation:

(1). 3/4=x/20

=4x=20×3

=x=20×3/4

=15

(2). x/48=18/12

=12x=48×18

=48×18/12

=72

(3). 7/21=22/x

=7x=22×21

=22×21/7

=66

(4). 12/x=8/30

=8x=30×12

=30×12/8

=45. (Answer)

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