Home / 40,997.76-61,495.54-11,414.40

Finding the Fourth Proportional to 40,997.76, 61,495.54 and 11,414.40

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Solution

The fourth proportional to 40,997.76, 61,495.54 and 11,414.40 is: 17,121.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,997.76 : 61,495.54 = 11,414.40 : x
  2. Step 2: Convert to fraction form
    40,997.76/61,495.54 = 11,414.40/x
  3. Step 3: Cross multiply
    40,997.76x = 61,495.54 × 11,414.40
  4. Step 4: Simplify right side
    40,997.76x = 701,934,691.78
  5. Step 5: Solve for x
    x = 701,934,691.78/40,997.76
  6. Step 6: Final answer
    x = 17,121.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.