Home / 13,292.83-19,939.25-3,932.12

Finding the Fourth Proportional to 13,292.83, 19,939.25 and 3,932.12

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Solution

The fourth proportional to 13,292.83, 19,939.25 and 3,932.12 is: 5,898.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.83 : 19,939.25 = 3,932.12 : x
  2. Step 2: Convert to fraction form
    13,292.83/19,939.25 = 3,932.12/x
  3. Step 3: Cross multiply
    13,292.83x = 19,939.25 × 3,932.12
  4. Step 4: Simplify right side
    13,292.83x = 78,403,404.35
  5. Step 5: Solve for x
    x = 78,403,404.35/13,292.83
  6. Step 6: Final answer
    x = 5,898.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.