Home / 13,294.68-19,942.09-3,433.28

Finding the Fourth Proportional to 13,294.68, 19,942.09 and 3,433.28

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Solution

The fourth proportional to 13,294.68, 19,942.09 and 3,433.28 is: 5,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.68 : 19,942.09 = 3,433.28 : x
  2. Step 2: Convert to fraction form
    13,294.68/19,942.09 = 3,433.28/x
  3. Step 3: Cross multiply
    13,294.68x = 19,942.09 × 3,433.28
  4. Step 4: Simplify right side
    13,294.68x = 68,466,661.88
  5. Step 5: Solve for x
    x = 68,466,661.88/13,294.68
  6. Step 6: Final answer
    x = 5,149.93

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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.