Home / 25,390.36-38,063.64-12,251.96

Finding the Fourth Proportional to 25,390.36, 38,063.64 and 12,251.96

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Solution

The fourth proportional to 25,390.36, 38,063.64 and 12,251.96 is: 18,367.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,390.36 : 38,063.64 = 12,251.96 : x
  2. Step 2: Convert to fraction form
    25,390.36/38,063.64 = 12,251.96/x
  3. Step 3: Cross multiply
    25,390.36x = 38,063.64 × 12,251.96
  4. Step 4: Simplify right side
    25,390.36x = 466,354,194.73
  5. Step 5: Solve for x
    x = 466,354,194.73/25,390.36
  6. Step 6: Final answer
    x = 18,367.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.