Home / 25,961.73-38,943.42-8,192.56

Finding the Fourth Proportional to 25,961.73, 38,943.42 and 8,192.56

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Solution

The fourth proportional to 25,961.73, 38,943.42 and 8,192.56 is: 12,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,961.73 : 38,943.42 = 8,192.56 : x
  2. Step 2: Convert to fraction form
    25,961.73/38,943.42 = 8,192.56/x
  3. Step 3: Cross multiply
    25,961.73x = 38,943.42 × 8,192.56
  4. Step 4: Simplify right side
    25,961.73x = 319,046,207.60
  5. Step 5: Solve for x
    x = 319,046,207.60/25,961.73
  6. Step 6: Final answer
    x = 12,289.10

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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.