Home / 25,251.59-34,847.28-13,920.83

Finding the Fourth Proportional to 25,251.59, 34,847.28 and 13,920.83

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Solution

The fourth proportional to 25,251.59, 34,847.28 and 13,920.83 is: 19,210.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,251.59 : 34,847.28 = 13,920.83 : x
  2. Step 2: Convert to fraction form
    25,251.59/34,847.28 = 13,920.83/x
  3. Step 3: Cross multiply
    25,251.59x = 34,847.28 × 13,920.83
  4. Step 4: Simplify right side
    25,251.59x = 485,103,060.84
  5. Step 5: Solve for x
    x = 485,103,060.84/25,251.59
  6. Step 6: Final answer
    x = 19,210.79

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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.