Home / 26,172.97-36,115.19-15,558.73

Finding the Fourth Proportional to 26,172.97, 36,115.19 and 15,558.73

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Solution

The fourth proportional to 26,172.97, 36,115.19 and 15,558.73 is: 21,468.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,172.97 : 36,115.19 = 15,558.73 : x
  2. Step 2: Convert to fraction form
    26,172.97/36,115.19 = 15,558.73/x
  3. Step 3: Cross multiply
    26,172.97x = 36,115.19 × 15,558.73
  4. Step 4: Simplify right side
    26,172.97x = 561,906,490.11
  5. Step 5: Solve for x
    x = 561,906,490.11/26,172.97
  6. Step 6: Final answer
    x = 21,468.96

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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.