Home / 19,202.92-28,812.72-6,731.86

Finding the Fourth Proportional to 19,202.92, 28,812.72 and 6,731.86

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Solution

The fourth proportional to 19,202.92, 28,812.72 and 6,731.86 is: 10,100.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202.92 : 28,812.72 = 6,731.86 : x
  2. Step 2: Convert to fraction form
    19,202.92/28,812.72 = 6,731.86/x
  3. Step 3: Cross multiply
    19,202.92x = 28,812.72 × 6,731.86
  4. Step 4: Simplify right side
    19,202.92x = 193,963,197.26
  5. Step 5: Solve for x
    x = 193,963,197.26/19,202.92
  6. Step 6: Final answer
    x = 10,100.71

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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.