Home / 22,140.18-33,215.13-12,293.82

Finding the Fourth Proportional to 22,140.18, 33,215.13 and 12,293.82

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Solution

The fourth proportional to 22,140.18, 33,215.13 and 12,293.82 is: 18,443.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.18 : 33,215.13 = 12,293.82 : x
  2. Step 2: Convert to fraction form
    22,140.18/33,215.13 = 12,293.82/x
  3. Step 3: Cross multiply
    22,140.18x = 33,215.13 × 12,293.82
  4. Step 4: Simplify right side
    22,140.18x = 408,340,829.50
  5. Step 5: Solve for x
    x = 408,340,829.50/22,140.18
  6. Step 6: Final answer
    x = 18,443.43

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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.