Home / 18,380.91-27,575.99-5,902.05

Finding the Fourth Proportional to 18,380.91, 27,575.99 and 5,902.05

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Solution

The fourth proportional to 18,380.91, 27,575.99 and 5,902.05 is: 8,854.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380.91 : 27,575.99 = 5,902.05 : x
  2. Step 2: Convert to fraction form
    18,380.91/27,575.99 = 5,902.05/x
  3. Step 3: Cross multiply
    18,380.91x = 27,575.99 × 5,902.05
  4. Step 4: Simplify right side
    18,380.91x = 162,754,842.27
  5. Step 5: Solve for x
    x = 162,754,842.27/18,380.91
  6. Step 6: Final answer
    x = 8,854.56

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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.