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Finding the Fourth Proportional to 16,234.80, 24,371.40 and 9,220.40

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Solution

The fourth proportional to 16,234.80, 24,371.40 and 9,220.40 is: 13,841.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,234.80 : 24,371.40 = 9,220.40 : x
  2. Step 2: Convert to fraction form
    16,234.80/24,371.40 = 9,220.40/x
  3. Step 3: Cross multiply
    16,234.80x = 24,371.40 × 9,220.40
  4. Step 4: Simplify right side
    16,234.80x = 224,714,056.56
  5. Step 5: Solve for x
    x = 224,714,056.56/16,234.80
  6. Step 6: Final answer
    x = 13,841.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.