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Finding the Fourth Proportional to 16,247.92, 22,422.81 and 9,174.34

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Solution

The fourth proportional to 16,247.92, 22,422.81 and 9,174.34 is: 12,660.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,247.92 : 22,422.81 = 9,174.34 : x
  2. Step 2: Convert to fraction form
    16,247.92/22,422.81 = 9,174.34/x
  3. Step 3: Cross multiply
    16,247.92x = 22,422.81 × 9,174.34
  4. Step 4: Simplify right side
    16,247.92x = 205,714,482.70
  5. Step 5: Solve for x
    x = 205,714,482.70/16,247.92
  6. Step 6: Final answer
    x = 12,660.97

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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.