Home / 22,540.84-33,884.06-20,917.48

Finding the Fourth Proportional to 22,540.84, 33,884.06 and 20,917.48

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Solution

The fourth proportional to 22,540.84, 33,884.06 and 20,917.48 is: 31,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,540.84 : 33,884.06 = 20,917.48 : x
  2. Step 2: Convert to fraction form
    22,540.84/33,884.06 = 20,917.48/x
  3. Step 3: Cross multiply
    22,540.84x = 33,884.06 × 20,917.48
  4. Step 4: Simplify right side
    22,540.84x = 708,769,147.37
  5. Step 5: Solve for x
    x = 708,769,147.37/22,540.84
  6. Step 6: Final answer
    x = 31,443.78

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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.