Home / 23,742-32,761.44-13,131.36

Finding the Fourth Proportional to 23,742, 32,761.44 and 13,131.36

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Solution

The fourth proportional to 23,742, 32,761.44 and 13,131.36 is: 18,119.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,742 : 32,761.44 = 13,131.36 : x
  2. Step 2: Convert to fraction form
    23,742/32,761.44 = 13,131.36/x
  3. Step 3: Cross multiply
    23,742x = 32,761.44 × 13,131.36
  4. Step 4: Simplify right side
    23,742x = 430,202,262.76
  5. Step 5: Solve for x
    x = 430,202,262.76/23,742
  6. Step 6: Final answer
    x = 18,119.88

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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.