Home / 26,414.31-39,619.47-9,766.56

Finding the Fourth Proportional to 26,414.31, 39,619.47 and 9,766.56

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Solution

The fourth proportional to 26,414.31, 39,619.47 and 9,766.56 is: 14,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,414.31 : 39,619.47 = 9,766.56 : x
  2. Step 2: Convert to fraction form
    26,414.31/39,619.47 = 9,766.56/x
  3. Step 3: Cross multiply
    26,414.31x = 39,619.47 × 9,766.56
  4. Step 4: Simplify right side
    26,414.31x = 386,945,930.92
  5. Step 5: Solve for x
    x = 386,945,930.92/26,414.31
  6. Step 6: Final answer
    x = 14,649.10

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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.