Home / 18,656.53-25,747.82-13,932.61

Finding the Fourth Proportional to 18,656.53, 25,747.82 and 13,932.61

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Solution

The fourth proportional to 18,656.53, 25,747.82 and 13,932.61 is: 19,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656.53 : 25,747.82 = 13,932.61 : x
  2. Step 2: Convert to fraction form
    18,656.53/25,747.82 = 13,932.61/x
  3. Step 3: Cross multiply
    18,656.53x = 25,747.82 × 13,932.61
  4. Step 4: Simplify right side
    18,656.53x = 358,734,334.41
  5. Step 5: Solve for x
    x = 358,734,334.41/18,656.53
  6. Step 6: Final answer
    x = 19,228.35

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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.