Home / 20,068.67-27,694.45-10,993.96

Finding the Fourth Proportional to 20,068.67, 27,694.45 and 10,993.96

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Solution

The fourth proportional to 20,068.67, 27,694.45 and 10,993.96 is: 15,171.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.67 : 27,694.45 = 10,993.96 : x
  2. Step 2: Convert to fraction form
    20,068.67/27,694.45 = 10,993.96/x
  3. Step 3: Cross multiply
    20,068.67x = 27,694.45 × 10,993.96
  4. Step 4: Simplify right side
    20,068.67x = 304,471,675.52
  5. Step 5: Solve for x
    x = 304,471,675.52/20,068.67
  6. Step 6: Final answer
    x = 15,171.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.