Home / 20,092.73-30,115.40-6,937.92

Finding the Fourth Proportional to 20,092.73, 30,115.40 and 6,937.92

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Solution

The fourth proportional to 20,092.73, 30,115.40 and 6,937.92 is: 10,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092.73 : 30,115.40 = 6,937.92 : x
  2. Step 2: Convert to fraction form
    20,092.73/30,115.40 = 6,937.92/x
  3. Step 3: Cross multiply
    20,092.73x = 30,115.40 × 6,937.92
  4. Step 4: Simplify right side
    20,092.73x = 208,938,201.28
  5. Step 5: Solve for x
    x = 208,938,201.28/20,092.73
  6. Step 6: Final answer
    x = 10,398.70

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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.