Home / 18,565.12-27,850.02-6,878.44

Finding the Fourth Proportional to 18,565.12, 27,850.02 and 6,878.44

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Solution

The fourth proportional to 18,565.12, 27,850.02 and 6,878.44 is: 10,318.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.12 : 27,850.02 = 6,878.44 : x
  2. Step 2: Convert to fraction form
    18,565.12/27,850.02 = 6,878.44/x
  3. Step 3: Cross multiply
    18,565.12x = 27,850.02 × 6,878.44
  4. Step 4: Simplify right side
    18,565.12x = 191,564,691.57
  5. Step 5: Solve for x
    x = 191,564,691.57/18,565.12
  6. Step 6: Final answer
    x = 10,318.53

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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.