Home / 22,944.66-31,663.62-13,391.10

Finding the Fourth Proportional to 22,944.66, 31,663.62 and 13,391.10

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Solution

The fourth proportional to 22,944.66, 31,663.62 and 13,391.10 is: 18,479.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,944.66 : 31,663.62 = 13,391.10 : x
  2. Step 2: Convert to fraction form
    22,944.66/31,663.62 = 13,391.10/x
  3. Step 3: Cross multiply
    22,944.66x = 31,663.62 × 13,391.10
  4. Step 4: Simplify right side
    22,944.66x = 424,010,701.78
  5. Step 5: Solve for x
    x = 424,010,701.78/22,944.66
  6. Step 6: Final answer
    x = 18,479.71

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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.