Home / 22,778.82-34,134.21-18,647.82

Finding the Fourth Proportional to 22,778.82, 34,134.21 and 18,647.82

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Solution

The fourth proportional to 22,778.82, 34,134.21 and 18,647.82 is: 27,943.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,778.82 : 34,134.21 = 18,647.82 : x
  2. Step 2: Convert to fraction form
    22,778.82/34,134.21 = 18,647.82/x
  3. Step 3: Cross multiply
    22,778.82x = 34,134.21 × 18,647.82
  4. Step 4: Simplify right side
    22,778.82x = 636,528,603.92
  5. Step 5: Solve for x
    x = 636,528,603.92/22,778.82
  6. Step 6: Final answer
    x = 27,943.88

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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.