Home / 19,198.20-28,795.41-6,715.92

Finding the Fourth Proportional to 19,198.20, 28,795.41 and 6,715.92

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Solution

The fourth proportional to 19,198.20, 28,795.41 and 6,715.92 is: 10,073.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.20 : 28,795.41 = 6,715.92 : x
  2. Step 2: Convert to fraction form
    19,198.20/28,795.41 = 6,715.92/x
  3. Step 3: Cross multiply
    19,198.20x = 28,795.41 × 6,715.92
  4. Step 4: Simplify right side
    19,198.20x = 193,387,669.93
  5. Step 5: Solve for x
    x = 193,387,669.93/19,198.20
  6. Step 6: Final answer
    x = 10,073.22

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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.