Home / 25,469.82-38,205.75-12,135.96

Finding the Fourth Proportional to 25,469.82, 38,205.75 and 12,135.96

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Solution

The fourth proportional to 25,469.82, 38,205.75 and 12,135.96 is: 18,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,469.82 : 38,205.75 = 12,135.96 : x
  2. Step 2: Convert to fraction form
    25,469.82/38,205.75 = 12,135.96/x
  3. Step 3: Cross multiply
    25,469.82x = 38,205.75 × 12,135.96
  4. Step 4: Simplify right side
    25,469.82x = 463,663,453.77
  5. Step 5: Solve for x
    x = 463,663,453.77/25,469.82
  6. Step 6: Final answer
    x = 18,204.43

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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.