Home / 22,743.28-34,146.80-11,657.92

Finding the Fourth Proportional to 22,743.28, 34,146.80 and 11,657.92

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Solution

The fourth proportional to 22,743.28, 34,146.80 and 11,657.92 is: 17,503.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,743.28 : 34,146.80 = 11,657.92 : x
  2. Step 2: Convert to fraction form
    22,743.28/34,146.80 = 11,657.92/x
  3. Step 3: Cross multiply
    22,743.28x = 34,146.80 × 11,657.92
  4. Step 4: Simplify right side
    22,743.28x = 398,080,662.66
  5. Step 5: Solve for x
    x = 398,080,662.66/22,743.28
  6. Step 6: Final answer
    x = 17,503.22

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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.