Home / 22,513.82-33,791.90-11,428.45

Finding the Fourth Proportional to 22,513.82, 33,791.90 and 11,428.45

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Solution

The fourth proportional to 22,513.82, 33,791.90 and 11,428.45 is: 17,153.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,513.82 : 33,791.90 = 11,428.45 : x
  2. Step 2: Convert to fraction form
    22,513.82/33,791.90 = 11,428.45/x
  3. Step 3: Cross multiply
    22,513.82x = 33,791.90 × 11,428.45
  4. Step 4: Simplify right side
    22,513.82x = 386,188,897.93
  5. Step 5: Solve for x
    x = 386,188,897.93/22,513.82
  6. Step 6: Final answer
    x = 17,153.42

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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.