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Finding the Fourth Proportional to 16,565.31, 22,859.91 and 9,011.49

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Solution

The fourth proportional to 16,565.31, 22,859.91 and 9,011.49 is: 12,435.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,565.31 : 22,859.91 = 9,011.49 : x
  2. Step 2: Convert to fraction form
    16,565.31/22,859.91 = 9,011.49/x
  3. Step 3: Cross multiply
    16,565.31x = 22,859.91 × 9,011.49
  4. Step 4: Simplify right side
    16,565.31x = 206,001,850.37
  5. Step 5: Solve for x
    x = 206,001,850.37/16,565.31
  6. Step 6: Final answer
    x = 12,435.74

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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.