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Finding the Fourth Proportional to 16,290.88, 24,436.24 and 13,842.88

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Solution

The fourth proportional to 16,290.88, 24,436.24 and 13,842.88 is: 20,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,290.88 : 24,436.24 = 13,842.88 : x
  2. Step 2: Convert to fraction form
    16,290.88/24,436.24 = 13,842.88/x
  3. Step 3: Cross multiply
    16,290.88x = 24,436.24 × 13,842.88
  4. Step 4: Simplify right side
    16,290.88x = 338,267,937.97
  5. Step 5: Solve for x
    x = 338,267,937.97/16,290.88
  6. Step 6: Final answer
    x = 20,764.25

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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.