Home / 22,143.88-33,215.82-10,458.28

Finding the Fourth Proportional to 22,143.88, 33,215.82 and 10,458.28

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Solution

The fourth proportional to 22,143.88, 33,215.82 and 10,458.28 is: 15,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143.88 : 33,215.82 = 10,458.28 : x
  2. Step 2: Convert to fraction form
    22,143.88/33,215.82 = 10,458.28/x
  3. Step 3: Cross multiply
    22,143.88x = 33,215.82 × 10,458.28
  4. Step 4: Simplify right side
    22,143.88x = 347,380,345.99
  5. Step 5: Solve for x
    x = 347,380,345.99/22,143.88
  6. Step 6: Final answer
    x = 15,687.42

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Similar ratio
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1.5x scale

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.