Home / 17,583.20-24,276.14-15,691.54

Finding the Fourth Proportional to 17,583.20, 24,276.14 and 15,691.54

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Solution

The fourth proportional to 17,583.20, 24,276.14 and 15,691.54 is: 21,664.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,583.20 : 24,276.14 = 15,691.54 : x
  2. Step 2: Convert to fraction form
    17,583.20/24,276.14 = 15,691.54/x
  3. Step 3: Cross multiply
    17,583.20x = 24,276.14 × 15,691.54
  4. Step 4: Simplify right side
    17,583.20x = 380,929,822.02
  5. Step 5: Solve for x
    x = 380,929,822.02/17,583.20
  6. Step 6: Final answer
    x = 21,664.42

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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.