Home / 18,324.52-25,271.15-15,497.82

Finding the Fourth Proportional to 18,324.52, 25,271.15 and 15,497.82

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Solution

The fourth proportional to 18,324.52, 25,271.15 and 15,497.82 is: 21,372.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324.52 : 25,271.15 = 15,497.82 : x
  2. Step 2: Convert to fraction form
    18,324.52/25,271.15 = 15,497.82/x
  3. Step 3: Cross multiply
    18,324.52x = 25,271.15 × 15,497.82
  4. Step 4: Simplify right side
    18,324.52x = 391,647,656.40
  5. Step 5: Solve for x
    x = 391,647,656.40/18,324.52
  6. Step 6: Final answer
    x = 21,372.88

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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.