Home / 22,187.71-33,333.20-20,993.37

Finding the Fourth Proportional to 22,187.71, 33,333.20 and 20,993.37

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Solution

The fourth proportional to 22,187.71, 33,333.20 and 20,993.37 is: 31,538.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,187.71 : 33,333.20 = 20,993.37 : x
  2. Step 2: Convert to fraction form
    22,187.71/33,333.20 = 20,993.37/x
  3. Step 3: Cross multiply
    22,187.71x = 33,333.20 × 20,993.37
  4. Step 4: Simplify right side
    22,187.71x = 699,776,200.88
  5. Step 5: Solve for x
    x = 699,776,200.88/22,187.71
  6. Step 6: Final answer
    x = 31,538.91

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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.