Home / 20,833.17-31,253.00-6,789.94

Finding the Fourth Proportional to 20,833.17, 31,253.00 and 6,789.94

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Solution

The fourth proportional to 20,833.17, 31,253.00 and 6,789.94 is: 10,185.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,833.17 : 31,253.00 = 6,789.94 : x
  2. Step 2: Convert to fraction form
    20,833.17/31,253.00 = 6,789.94/x
  3. Step 3: Cross multiply
    20,833.17x = 31,253.00 × 6,789.94
  4. Step 4: Simplify right side
    20,833.17x = 212,206,034.29
  5. Step 5: Solve for x
    x = 212,206,034.29/20,833.17
  6. Step 6: Final answer
    x = 10,185.97

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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.