Home / 26,545.62-36,654.12-20,566.91

Finding the Fourth Proportional to 26,545.62, 36,654.12 and 20,566.91

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Solution

The fourth proportional to 26,545.62, 36,654.12 and 20,566.91 is: 28,398.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,545.62 : 36,654.12 = 20,566.91 : x
  2. Step 2: Convert to fraction form
    26,545.62/36,654.12 = 20,566.91/x
  3. Step 3: Cross multiply
    26,545.62x = 36,654.12 × 20,566.91
  4. Step 4: Simplify right side
    26,545.62x = 753,862,078.80
  5. Step 5: Solve for x
    x = 753,862,078.80/26,545.62
  6. Step 6: Final answer
    x = 28,398.73

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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.