Home / 26,302.50-36,288.10-15,545.09

Finding the Fourth Proportional to 26,302.50, 36,288.10 and 15,545.09

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Solution

The fourth proportional to 26,302.50, 36,288.10 and 15,545.09 is: 21,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,302.50 : 36,288.10 = 15,545.09 : x
  2. Step 2: Convert to fraction form
    26,302.50/36,288.10 = 15,545.09/x
  3. Step 3: Cross multiply
    26,302.50x = 36,288.10 × 15,545.09
  4. Step 4: Simplify right side
    26,302.50x = 564,101,780.43
  5. Step 5: Solve for x
    x = 564,101,780.43/26,302.50
  6. Step 6: Final answer
    x = 21,446.70

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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.