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Finding the Fourth Proportional to 15,363.92, 22,926.05 and 13,709.09

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Solution

The fourth proportional to 15,363.92, 22,926.05 and 13,709.09 is: 20,456.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363.92 : 22,926.05 = 13,709.09 : x
  2. Step 2: Convert to fraction form
    15,363.92/22,926.05 = 13,709.09/x
  3. Step 3: Cross multiply
    15,363.92x = 22,926.05 × 13,709.09
  4. Step 4: Simplify right side
    15,363.92x = 314,295,099.62
  5. Step 5: Solve for x
    x = 314,295,099.62/15,363.92
  6. Step 6: Final answer
    x = 20,456.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.