Home / 18,181.66-27,232.52-15,025.90

Finding the Fourth Proportional to 18,181.66, 27,232.52 and 15,025.90

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Solution

The fourth proportional to 18,181.66, 27,232.52 and 15,025.90 is: 22,505.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.66 : 27,232.52 = 15,025.90 : x
  2. Step 2: Convert to fraction form
    18,181.66/27,232.52 = 15,025.90/x
  3. Step 3: Cross multiply
    18,181.66x = 27,232.52 × 15,025.90
  4. Step 4: Simplify right side
    18,181.66x = 409,193,122.27
  5. Step 5: Solve for x
    x = 409,193,122.27/18,181.66
  6. Step 6: Final answer
    x = 22,505.82

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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.