Home / 18,691.20-25,793.53-10,193.39

Finding the Fourth Proportional to 18,691.20, 25,793.53 and 10,193.39

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Solution

The fourth proportional to 18,691.20, 25,793.53 and 10,193.39 is: 14,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,691.20 : 25,793.53 = 10,193.39 : x
  2. Step 2: Convert to fraction form
    18,691.20/25,793.53 = 10,193.39/x
  3. Step 3: Cross multiply
    18,691.20x = 25,793.53 × 10,193.39
  4. Step 4: Simplify right side
    18,691.20x = 262,923,330.83
  5. Step 5: Solve for x
    x = 262,923,330.83/18,691.20
  6. Step 6: Final answer
    x = 14,066.69

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Half scale
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Double scale
Find fourth proportional to 18,692.20, 25,794.90 and 10,194.39
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.