Home / 22,143.97-33,074.84-20,032.36

Finding the Fourth Proportional to 22,143.97, 33,074.84 and 20,032.36

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Solution

The fourth proportional to 22,143.97, 33,074.84 and 20,032.36 is: 29,920.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143.97 : 33,074.84 = 20,032.36 : x
  2. Step 2: Convert to fraction form
    22,143.97/33,074.84 = 20,032.36/x
  3. Step 3: Cross multiply
    22,143.97x = 33,074.84 × 20,032.36
  4. Step 4: Simplify right side
    22,143.97x = 662,567,101.82
  5. Step 5: Solve for x
    x = 662,567,101.82/22,143.97
  6. Step 6: Final answer
    x = 29,920.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.