Home / 22,142.98-33,198.54-10,449.82

Finding the Fourth Proportional to 22,142.98, 33,198.54 and 10,449.82

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Solution

The fourth proportional to 22,142.98, 33,198.54 and 10,449.82 is: 15,667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,142.98 : 33,198.54 = 10,449.82 : x
  2. Step 2: Convert to fraction form
    22,142.98/33,198.54 = 10,449.82/x
  3. Step 3: Cross multiply
    22,142.98x = 33,198.54 × 10,449.82
  4. Step 4: Simplify right side
    22,142.98x = 346,918,767.26
  5. Step 5: Solve for x
    x = 346,918,767.26/22,142.98
  6. Step 6: Final answer
    x = 15,667.21

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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.