Home / 18,691.40-25,793.96-10,193.70

Finding the Fourth Proportional to 18,691.40, 25,793.96 and 10,193.70

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Solution

The fourth proportional to 18,691.40, 25,793.96 and 10,193.70 is: 14,067.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,691.40 : 25,793.96 = 10,193.70 : x
  2. Step 2: Convert to fraction form
    18,691.40/25,793.96 = 10,193.70/x
  3. Step 3: Cross multiply
    18,691.40x = 25,793.96 × 10,193.70
  4. Step 4: Simplify right side
    18,691.40x = 262,935,890.05
  5. Step 5: Solve for x
    x = 262,935,890.05/18,691.40
  6. Step 6: Final answer
    x = 14,067.21

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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.