Home / 22,506.03-31,061.76-13,432.41

Finding the Fourth Proportional to 22,506.03, 31,061.76 and 13,432.41

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Solution

The fourth proportional to 22,506.03, 31,061.76 and 13,432.41 is: 18,538.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,506.03 : 31,061.76 = 13,432.41 : x
  2. Step 2: Convert to fraction form
    22,506.03/31,061.76 = 13,432.41/x
  3. Step 3: Cross multiply
    22,506.03x = 31,061.76 × 13,432.41
  4. Step 4: Simplify right side
    22,506.03x = 417,234,295.64
  5. Step 5: Solve for x
    x = 417,234,295.64/22,506.03
  6. Step 6: Final answer
    x = 18,538.78

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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.