Home / 22,278.48-33,399.21-11,742.61

Finding the Fourth Proportional to 22,278.48, 33,399.21 and 11,742.61

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Solution

The fourth proportional to 22,278.48, 33,399.21 and 11,742.61 is: 17,604.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.48 : 33,399.21 = 11,742.61 : x
  2. Step 2: Convert to fraction form
    22,278.48/33,399.21 = 11,742.61/x
  3. Step 3: Cross multiply
    22,278.48x = 33,399.21 × 11,742.61
  4. Step 4: Simplify right side
    22,278.48x = 392,193,897.34
  5. Step 5: Solve for x
    x = 392,193,897.34/22,278.48
  6. Step 6: Final answer
    x = 17,604.16

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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.