Home / 25,676.22-38,518.82-7,906.70

Finding the Fourth Proportional to 25,676.22, 38,518.82 and 7,906.70

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Solution

The fourth proportional to 25,676.22, 38,518.82 and 7,906.70 is: 11,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,676.22 : 38,518.82 = 7,906.70 : x
  2. Step 2: Convert to fraction form
    25,676.22/38,518.82 = 7,906.70/x
  3. Step 3: Cross multiply
    25,676.22x = 38,518.82 × 7,906.70
  4. Step 4: Simplify right side
    25,676.22x = 304,556,521.97
  5. Step 5: Solve for x
    x = 304,556,521.97/25,676.22
  6. Step 6: Final answer
    x = 11,861.42

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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.