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Finding the Fourth Proportional to 16,873.80, 25,310.70 and 13,593.30

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Solution

The fourth proportional to 16,873.80, 25,310.70 and 13,593.30 is: 20,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,873.80 : 25,310.70 = 13,593.30 : x
  2. Step 2: Convert to fraction form
    16,873.80/25,310.70 = 13,593.30/x
  3. Step 3: Cross multiply
    16,873.80x = 25,310.70 × 13,593.30
  4. Step 4: Simplify right side
    16,873.80x = 344,055,938.31
  5. Step 5: Solve for x
    x = 344,055,938.31/16,873.80
  6. Step 6: Final answer
    x = 20,389.95

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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.