Question

What number should be added to each of the following numbers 3; 5; 13 and 19 so that the resulting number may be in proportion​

Answer 1

Answer:

Let x be added to the number 13,15,19.

So, that new numbers x+13,x+15,x+19

According to the question,

x+15=

x+13+x+19

2(x+13)(x+19)

x+15=

2x+32

2(x

2

+13x+19x+247)

2x

2

+32x+30x+480=2x

2

+64x+494

62x+480=64x+494

−2x=14

x=−7

Hence, this is the answer.

Answer 2

hope it helps you................