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Finding the Fourth Proportional to 18,843.96, 26,006.72 and 12,044.24

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Solution

The fourth proportional to 18,843.96, 26,006.72 and 12,044.24 is: 16,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843.96 : 26,006.72 = 12,044.24 : x
  2. Step 2: Convert to fraction form
    18,843.96/26,006.72 = 12,044.24/x
  3. Step 3: Cross multiply
    18,843.96x = 26,006.72 × 12,044.24
  4. Step 4: Simplify right side
    18,843.96x = 313,231,177.29
  5. Step 5: Solve for x
    x = 313,231,177.29/18,843.96
  6. Step 6: Final answer
    x = 16,622.36

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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.