Home / 22,302.86-33,425.13-9,139.82

Finding the Fourth Proportional to 22,302.86, 33,425.13 and 9,139.82

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Solution

The fourth proportional to 22,302.86, 33,425.13 and 9,139.82 is: 13,697.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,302.86 : 33,425.13 = 9,139.82 : x
  2. Step 2: Convert to fraction form
    22,302.86/33,425.13 = 9,139.82/x
  3. Step 3: Cross multiply
    22,302.86x = 33,425.13 × 9,139.82
  4. Step 4: Simplify right side
    22,302.86x = 305,499,671.68
  5. Step 5: Solve for x
    x = 305,499,671.68/22,302.86
  6. Step 6: Final answer
    x = 13,697.78

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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.