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Finding the Fourth Proportional to 15,229.10, 22,843.65 and 14,645.90

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Solution

The fourth proportional to 15,229.10, 22,843.65 and 14,645.90 is: 21,968.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,229.10 : 22,843.65 = 14,645.90 : x
  2. Step 2: Convert to fraction form
    15,229.10/22,843.65 = 14,645.90/x
  3. Step 3: Cross multiply
    15,229.10x = 22,843.65 × 14,645.90
  4. Step 4: Simplify right side
    15,229.10x = 334,565,813.54
  5. Step 5: Solve for x
    x = 334,565,813.54/15,229.10
  6. Step 6: Final answer
    x = 21,968.85

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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.