Home / 22,193.78-30,627.33-13,241.66

Finding the Fourth Proportional to 22,193.78, 30,627.33 and 13,241.66

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Solution

The fourth proportional to 22,193.78, 30,627.33 and 13,241.66 is: 18,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,193.78 : 30,627.33 = 13,241.66 : x
  2. Step 2: Convert to fraction form
    22,193.78/30,627.33 = 13,241.66/x
  3. Step 3: Cross multiply
    22,193.78x = 30,627.33 × 13,241.66
  4. Step 4: Simplify right side
    22,193.78x = 405,556,537.43
  5. Step 5: Solve for x
    x = 405,556,537.43/22,193.78
  6. Step 6: Final answer
    x = 18,273.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.