Home / 18,385.44-25,372.08-10,932

Finding the Fourth Proportional to 18,385.44, 25,372.08 and 10,932

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Solution

The fourth proportional to 18,385.44, 25,372.08 and 10,932 is: 15,086.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.44 : 25,372.08 = 10,932 : x
  2. Step 2: Convert to fraction form
    18,385.44/25,372.08 = 10,932/x
  3. Step 3: Cross multiply
    18,385.44x = 25,372.08 × 10,932
  4. Step 4: Simplify right side
    18,385.44x = 277,367,578.56
  5. Step 5: Solve for x
    x = 277,367,578.56/18,385.44
  6. Step 6: Final answer
    x = 15,086.26

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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.