Home / 18,765.60-28,148.40-17,234.70

Finding the Fourth Proportional to 18,765.60, 28,148.40 and 17,234.70

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Solution

The fourth proportional to 18,765.60, 28,148.40 and 17,234.70 is: 25,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,765.60 : 28,148.40 = 17,234.70 : x
  2. Step 2: Convert to fraction form
    18,765.60/28,148.40 = 17,234.70/x
  3. Step 3: Cross multiply
    18,765.60x = 28,148.40 × 17,234.70
  4. Step 4: Simplify right side
    18,765.60x = 485,129,229.48
  5. Step 5: Solve for x
    x = 485,129,229.48/18,765.60
  6. Step 6: Final answer
    x = 25,852.05

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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.