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Finding the Fourth Proportional to 16,230.98, 22,398.92 and 9,520.58

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Solution

The fourth proportional to 16,230.98, 22,398.92 and 9,520.58 is: 13,138.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,230.98 : 22,398.92 = 9,520.58 : x
  2. Step 2: Convert to fraction form
    16,230.98/22,398.92 = 9,520.58/x
  3. Step 3: Cross multiply
    16,230.98x = 22,398.92 × 9,520.58
  4. Step 4: Simplify right side
    16,230.98x = 213,250,550.18
  5. Step 5: Solve for x
    x = 213,250,550.18/16,230.98
  6. Step 6: Final answer
    x = 13,138.49

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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.