Home / 13,370.67-20,049.93-7,825.41

Finding the Fourth Proportional to 13,370.67, 20,049.93 and 7,825.41

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Solution

The fourth proportional to 13,370.67, 20,049.93 and 7,825.41 is: 11,734.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.67 : 20,049.93 = 7,825.41 : x
  2. Step 2: Convert to fraction form
    13,370.67/20,049.93 = 7,825.41/x
  3. Step 3: Cross multiply
    13,370.67x = 20,049.93 × 7,825.41
  4. Step 4: Simplify right side
    13,370.67x = 156,898,922.72
  5. Step 5: Solve for x
    x = 156,898,922.72/13,370.67
  6. Step 6: Final answer
    x = 11,734.56

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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.