Home / 17,183.40-25,731.90-11,308.20

Finding the Fourth Proportional to 17,183.40, 25,731.90 and 11,308.20

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Solution

The fourth proportional to 17,183.40, 25,731.90 and 11,308.20 is: 16,933.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,183.40 : 25,731.90 = 11,308.20 : x
  2. Step 2: Convert to fraction form
    17,183.40/25,731.90 = 11,308.20/x
  3. Step 3: Cross multiply
    17,183.40x = 25,731.90 × 11,308.20
  4. Step 4: Simplify right side
    17,183.40x = 290,981,471.58
  5. Step 5: Solve for x
    x = 290,981,471.58/17,183.40
  6. Step 6: Final answer
    x = 16,933.87

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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.