Home / 23,331.60-34,997.40-20,925.90

Finding the Fourth Proportional to 23,331.60, 34,997.40 and 20,925.90

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Solution

The fourth proportional to 23,331.60, 34,997.40 and 20,925.90 is: 31,388.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,331.60 : 34,997.40 = 20,925.90 : x
  2. Step 2: Convert to fraction form
    23,331.60/34,997.40 = 20,925.90/x
  3. Step 3: Cross multiply
    23,331.60x = 34,997.40 × 20,925.90
  4. Step 4: Simplify right side
    23,331.60x = 732,352,092.66
  5. Step 5: Solve for x
    x = 732,352,092.66/23,331.60
  6. Step 6: Final answer
    x = 31,388.85

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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.