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Finding the Fourth Proportional to 16,874.80, 25,312.20 and 13,594.30

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Solution

The fourth proportional to 16,874.80, 25,312.20 and 13,594.30 is: 20,391.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,874.80 : 25,312.20 = 13,594.30 : x
  2. Step 2: Convert to fraction form
    16,874.80/25,312.20 = 13,594.30/x
  3. Step 3: Cross multiply
    16,874.80x = 25,312.20 × 13,594.30
  4. Step 4: Simplify right side
    16,874.80x = 344,101,640.46
  5. Step 5: Solve for x
    x = 344,101,640.46/16,874.80
  6. Step 6: Final answer
    x = 20,391.45

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Similar ratio
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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.