Home / 22,604.13-31,187.97-13,167.36

Finding the Fourth Proportional to 22,604.13, 31,187.97 and 13,167.36

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Solution

The fourth proportional to 22,604.13, 31,187.97 and 13,167.36 is: 18,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,604.13 : 31,187.97 = 13,167.36 : x
  2. Step 2: Convert to fraction form
    22,604.13/31,187.97 = 13,167.36/x
  3. Step 3: Cross multiply
    22,604.13x = 31,187.97 × 13,167.36
  4. Step 4: Simplify right side
    22,604.13x = 410,663,228.66
  5. Step 5: Solve for x
    x = 410,663,228.66/22,604.13
  6. Step 6: Final answer
    x = 18,167.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.