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Finding the Fourth Proportional to 13,348.80, 20,023.20 and 11,234.70

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Solution

The fourth proportional to 13,348.80, 20,023.20 and 11,234.70 is: 16,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.80 : 20,023.20 = 11,234.70 : x
  2. Step 2: Convert to fraction form
    13,348.80/20,023.20 = 11,234.70/x
  3. Step 3: Cross multiply
    13,348.80x = 20,023.20 × 11,234.70
  4. Step 4: Simplify right side
    13,348.80x = 224,954,645.04
  5. Step 5: Solve for x
    x = 224,954,645.04/13,348.80
  6. Step 6: Final answer
    x = 16,852.05

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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.