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Finding the Fourth Proportional to 15,959.43, 22,027.89 and 9,243.97

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Solution

The fourth proportional to 15,959.43, 22,027.89 and 9,243.97 is: 12,758.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.43 : 22,027.89 = 9,243.97 : x
  2. Step 2: Convert to fraction form
    15,959.43/22,027.89 = 9,243.97/x
  3. Step 3: Cross multiply
    15,959.43x = 22,027.89 × 9,243.97
  4. Step 4: Simplify right side
    15,959.43x = 203,625,154.32
  5. Step 5: Solve for x
    x = 203,625,154.32/15,959.43
  6. Step 6: Final answer
    x = 12,758.92

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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.