Home / 25,240.82-34,833.24-15,685.97

Finding the Fourth Proportional to 25,240.82, 34,833.24 and 15,685.97

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Solution

The fourth proportional to 25,240.82, 34,833.24 and 15,685.97 is: 21,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,240.82 : 34,833.24 = 15,685.97 : x
  2. Step 2: Convert to fraction form
    25,240.82/34,833.24 = 15,685.97/x
  3. Step 3: Cross multiply
    25,240.82x = 34,833.24 × 15,685.97
  4. Step 4: Simplify right side
    25,240.82x = 546,392,983.48
  5. Step 5: Solve for x
    x = 546,392,983.48/25,240.82
  6. Step 6: Final answer
    x = 21,647.20

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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.