Home / 15,087.67-22,621.17-7,677.79

Finding the Fourth Proportional to 15,087.67, 22,621.17 and 7,677.79

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Solution

The fourth proportional to 15,087.67, 22,621.17 and 7,677.79 is: 11,511.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,087.67 : 22,621.17 = 7,677.79 : x
  2. Step 2: Convert to fraction form
    15,087.67/22,621.17 = 7,677.79/x
  3. Step 3: Cross multiply
    15,087.67x = 22,621.17 × 7,677.79
  4. Step 4: Simplify right side
    15,087.67x = 173,680,565.05
  5. Step 5: Solve for x
    x = 173,680,565.05/15,087.67
  6. Step 6: Final answer
    x = 11,511.43

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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.