Home / 25,262.78-34,863.19-13,932.61

Finding the Fourth Proportional to 25,262.78, 34,863.19 and 13,932.61

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Solution

The fourth proportional to 25,262.78, 34,863.19 and 13,932.61 is: 19,227.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,262.78 : 34,863.19 = 13,932.61 : x
  2. Step 2: Convert to fraction form
    25,262.78/34,863.19 = 13,932.61/x
  3. Step 3: Cross multiply
    25,262.78x = 34,863.19 × 13,932.61
  4. Step 4: Simplify right side
    25,262.78x = 485,735,107.64
  5. Step 5: Solve for x
    x = 485,735,107.64/25,262.78
  6. Step 6: Final answer
    x = 19,227.31

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1.5x scale

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.