Home / 22,578.29-33,856.04-13,221.27

Finding the Fourth Proportional to 22,578.29, 33,856.04 and 13,221.27

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Solution

The fourth proportional to 22,578.29, 33,856.04 and 13,221.27 is: 19,825.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,578.29 : 33,856.04 = 13,221.27 : x
  2. Step 2: Convert to fraction form
    22,578.29/33,856.04 = 13,221.27/x
  3. Step 3: Cross multiply
    22,578.29x = 33,856.04 × 13,221.27
  4. Step 4: Simplify right side
    22,578.29x = 447,619,845.97
  5. Step 5: Solve for x
    x = 447,619,845.97/22,578.29
  6. Step 6: Final answer
    x = 19,825.23

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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.