Home / 25,646.13-35,391.53-14,315.49

Finding the Fourth Proportional to 25,646.13, 35,391.53 and 14,315.49

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Solution

The fourth proportional to 25,646.13, 35,391.53 and 14,315.49 is: 19,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,646.13 : 35,391.53 = 14,315.49 : x
  2. Step 2: Convert to fraction form
    25,646.13/35,391.53 = 14,315.49/x
  3. Step 3: Cross multiply
    25,646.13x = 35,391.53 × 14,315.49
  4. Step 4: Simplify right side
    25,646.13x = 506,647,022.22
  5. Step 5: Solve for x
    x = 506,647,022.22/25,646.13
  6. Step 6: Final answer
    x = 19,755.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.