Home / 18,862.11-28,293.17-7,183.53

Finding the Fourth Proportional to 18,862.11, 28,293.17 and 7,183.53

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Solution

The fourth proportional to 18,862.11, 28,293.17 and 7,183.53 is: 10,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.11 : 28,293.17 = 7,183.53 : x
  2. Step 2: Convert to fraction form
    18,862.11/28,293.17 = 7,183.53/x
  3. Step 3: Cross multiply
    18,862.11x = 28,293.17 × 7,183.53
  4. Step 4: Simplify right side
    18,862.11x = 203,244,799.57
  5. Step 5: Solve for x
    x = 203,244,799.57/18,862.11
  6. Step 6: Final answer
    x = 10,775.30

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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.