Home / 15,942.29-23,912.42-5,411.48

Finding the Fourth Proportional to 15,942.29, 23,912.42 and 5,411.48

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Solution

The fourth proportional to 15,942.29, 23,912.42 and 5,411.48 is: 8,116.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942.29 : 23,912.42 = 5,411.48 : x
  2. Step 2: Convert to fraction form
    15,942.29/23,912.42 = 5,411.48/x
  3. Step 3: Cross multiply
    15,942.29x = 23,912.42 × 5,411.48
  4. Step 4: Simplify right side
    15,942.29x = 129,401,435.96
  5. Step 5: Solve for x
    x = 129,401,435.96/15,942.29
  6. Step 6: Final answer
    x = 8,116.87

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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.