Home / 17,139.12-25,552.55-16,708.20

Finding the Fourth Proportional to 17,139.12, 25,552.55 and 16,708.20

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Solution

The fourth proportional to 17,139.12, 25,552.55 and 16,708.20 is: 24,910.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,139.12 : 25,552.55 = 16,708.20 : x
  2. Step 2: Convert to fraction form
    17,139.12/25,552.55 = 16,708.20/x
  3. Step 3: Cross multiply
    17,139.12x = 25,552.55 × 16,708.20
  4. Step 4: Simplify right side
    17,139.12x = 426,937,115.91
  5. Step 5: Solve for x
    x = 426,937,115.91/17,139.12
  6. Step 6: Final answer
    x = 24,910.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.