Home / 22,930.86-31,663.28-18,682.61

Finding the Fourth Proportional to 22,930.86, 31,663.28 and 18,682.61

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Solution

The fourth proportional to 22,930.86, 31,663.28 and 18,682.61 is: 25,797.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,930.86 : 31,663.28 = 18,682.61 : x
  2. Step 2: Convert to fraction form
    22,930.86/31,663.28 = 18,682.61/x
  3. Step 3: Cross multiply
    22,930.86x = 31,663.28 × 18,682.61
  4. Step 4: Simplify right side
    22,930.86x = 591,552,711.56
  5. Step 5: Solve for x
    x = 591,552,711.56/22,930.86
  6. Step 6: Final answer
    x = 25,797.23

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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.