Home / 25,251.43-34,846.93-13,920.85

Finding the Fourth Proportional to 25,251.43, 34,846.93 and 13,920.85

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Solution

The fourth proportional to 25,251.43, 34,846.93 and 13,920.85 is: 19,210.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,251.43 : 34,846.93 = 13,920.85 : x
  2. Step 2: Convert to fraction form
    25,251.43/34,846.93 = 13,920.85/x
  3. Step 3: Cross multiply
    25,251.43x = 34,846.93 × 13,920.85
  4. Step 4: Simplify right side
    25,251.43x = 485,098,672.13
  5. Step 5: Solve for x
    x = 485,098,672.13/25,251.43
  6. Step 6: Final answer
    x = 19,210.74

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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.