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Finding the Fourth Proportional to 18,005.92, 24,846.98 and 11,291.26

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Solution

The fourth proportional to 18,005.92, 24,846.98 and 11,291.26 is: 15,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005.92 : 24,846.98 = 11,291.26 : x
  2. Step 2: Convert to fraction form
    18,005.92/24,846.98 = 11,291.26/x
  3. Step 3: Cross multiply
    18,005.92x = 24,846.98 × 11,291.26
  4. Step 4: Simplify right side
    18,005.92x = 280,553,711.39
  5. Step 5: Solve for x
    x = 280,553,711.39/18,005.92
  6. Step 6: Final answer
    x = 15,581.19

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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.