Home / 20,793.45-31,194.29-6,750.87

Finding the Fourth Proportional to 20,793.45, 31,194.29 and 6,750.87

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Solution

The fourth proportional to 20,793.45, 31,194.29 and 6,750.87 is: 10,127.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,793.45 : 31,194.29 = 6,750.87 : x
  2. Step 2: Convert to fraction form
    20,793.45/31,194.29 = 6,750.87/x
  3. Step 3: Cross multiply
    20,793.45x = 31,194.29 × 6,750.87
  4. Step 4: Simplify right side
    20,793.45x = 210,588,562.78
  5. Step 5: Solve for x
    x = 210,588,562.78/20,793.45
  6. Step 6: Final answer
    x = 10,127.64

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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.