Home / 25,272.49-34,874.78-15,198.97

Finding the Fourth Proportional to 25,272.49, 34,874.78 and 15,198.97

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Solution

The fourth proportional to 25,272.49, 34,874.78 and 15,198.97 is: 20,973.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,272.49 : 34,874.78 = 15,198.97 : x
  2. Step 2: Convert to fraction form
    25,272.49/34,874.78 = 15,198.97/x
  3. Step 3: Cross multiply
    25,272.49x = 34,874.78 × 15,198.97
  4. Step 4: Simplify right side
    25,272.49x = 530,060,685.79
  5. Step 5: Solve for x
    x = 530,060,685.79/25,272.49
  6. Step 6: Final answer
    x = 20,973.82

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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.