Home / 25,112.75-34,655.60-13,934.75

Finding the Fourth Proportional to 25,112.75, 34,655.60 and 13,934.75

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Solution

The fourth proportional to 25,112.75, 34,655.60 and 13,934.75 is: 19,229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,112.75 : 34,655.60 = 13,934.75 : x
  2. Step 2: Convert to fraction form
    25,112.75/34,655.60 = 13,934.75/x
  3. Step 3: Cross multiply
    25,112.75x = 34,655.60 × 13,934.75
  4. Step 4: Simplify right side
    25,112.75x = 482,917,122.10
  5. Step 5: Solve for x
    x = 482,917,122.10/25,112.75
  6. Step 6: Final answer
    x = 19,229.96

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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.