Home / 19,163.43-28,737.97-6,680.25

Finding the Fourth Proportional to 19,163.43, 28,737.97 and 6,680.25

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Solution

The fourth proportional to 19,163.43, 28,737.97 and 6,680.25 is: 10,017.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.43 : 28,737.97 = 6,680.25 : x
  2. Step 2: Convert to fraction form
    19,163.43/28,737.97 = 6,680.25/x
  3. Step 3: Cross multiply
    19,163.43x = 28,737.97 × 6,680.25
  4. Step 4: Simplify right side
    19,163.43x = 191,976,824.09
  5. Step 5: Solve for x
    x = 191,976,824.09/19,163.43
  6. Step 6: Final answer
    x = 10,017.87

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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.