Home / 15,932.38-21,982.36-10,262.48

Finding the Fourth Proportional to 15,932.38, 21,982.36 and 10,262.48

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Solution

The fourth proportional to 15,932.38, 21,982.36 and 10,262.48 is: 14,159.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,932.38 : 21,982.36 = 10,262.48 : x
  2. Step 2: Convert to fraction form
    15,932.38/21,982.36 = 10,262.48/x
  3. Step 3: Cross multiply
    15,932.38x = 21,982.36 × 10,262.48
  4. Step 4: Simplify right side
    15,932.38x = 225,593,529.85
  5. Step 5: Solve for x
    x = 225,593,529.85/15,932.38
  6. Step 6: Final answer
    x = 14,159.44

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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.