Home / 25,251.67-34,847.55-13,921.58

Finding the Fourth Proportional to 25,251.67, 34,847.55 and 13,921.58

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Solution

The fourth proportional to 25,251.67, 34,847.55 and 13,921.58 is: 19,211.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,251.67 : 34,847.55 = 13,921.58 : x
  2. Step 2: Convert to fraction form
    25,251.67/34,847.55 = 13,921.58/x
  3. Step 3: Cross multiply
    25,251.67x = 34,847.55 × 13,921.58
  4. Step 4: Simplify right side
    25,251.67x = 485,133,042.25
  5. Step 5: Solve for x
    x = 485,133,042.25/25,251.67
  6. Step 6: Final answer
    x = 19,211.92

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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.