Home / 26,217.60-36,174.64-15,605.16

Finding the Fourth Proportional to 26,217.60, 36,174.64 and 15,605.16

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Solution

The fourth proportional to 26,217.60, 36,174.64 and 15,605.16 is: 21,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,217.60 : 36,174.64 = 15,605.16 : x
  2. Step 2: Convert to fraction form
    26,217.60/36,174.64 = 15,605.16/x
  3. Step 3: Cross multiply
    26,217.60x = 36,174.64 × 15,605.16
  4. Step 4: Simplify right side
    26,217.60x = 564,511,045.14
  5. Step 5: Solve for x
    x = 564,511,045.14/26,217.60
  6. Step 6: Final answer
    x = 21,531.76

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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.