Home / 20,799.74-31,196.19-6,757.83

Finding the Fourth Proportional to 20,799.74, 31,196.19 and 6,757.83

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Solution

The fourth proportional to 20,799.74, 31,196.19 and 6,757.83 is: 10,135.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799.74 : 31,196.19 = 6,757.83 : x
  2. Step 2: Convert to fraction form
    20,799.74/31,196.19 = 6,757.83/x
  3. Step 3: Cross multiply
    20,799.74x = 31,196.19 × 6,757.83
  4. Step 4: Simplify right side
    20,799.74x = 210,818,536.00
  5. Step 5: Solve for x
    x = 210,818,536.00/20,799.74
  6. Step 6: Final answer
    x = 10,135.63

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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.