Home / 20,932.83-31,393.00-6,890.27

Finding the Fourth Proportional to 20,932.83, 31,393.00 and 6,890.27

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Solution

The fourth proportional to 20,932.83, 31,393.00 and 6,890.27 is: 10,333.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,932.83 : 31,393.00 = 6,890.27 : x
  2. Step 2: Convert to fraction form
    20,932.83/31,393.00 = 6,890.27/x
  3. Step 3: Cross multiply
    20,932.83x = 31,393.00 × 6,890.27
  4. Step 4: Simplify right side
    20,932.83x = 216,306,097.76
  5. Step 5: Solve for x
    x = 216,306,097.76/20,932.83
  6. Step 6: Final answer
    x = 10,333.34

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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.