Home / 22,060.73-30,444.10-11,989.37

Finding the Fourth Proportional to 22,060.73, 30,444.10 and 11,989.37

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Solution

The fourth proportional to 22,060.73, 30,444.10 and 11,989.37 is: 16,545.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,060.73 : 30,444.10 = 11,989.37 : x
  2. Step 2: Convert to fraction form
    22,060.73/30,444.10 = 11,989.37/x
  3. Step 3: Cross multiply
    22,060.73x = 30,444.10 × 11,989.37
  4. Step 4: Simplify right side
    22,060.73x = 365,005,397.02
  5. Step 5: Solve for x
    x = 365,005,397.02/22,060.73
  6. Step 6: Final answer
    x = 16,545.49

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Half scale
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Double scale
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Similar ratio
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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.