Home / 22,792.22-31,452.45-12,722.38

Finding the Fourth Proportional to 22,792.22, 31,452.45 and 12,722.38

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Solution

The fourth proportional to 22,792.22, 31,452.45 and 12,722.38 is: 17,556.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,792.22 : 31,452.45 = 12,722.38 : x
  2. Step 2: Convert to fraction form
    22,792.22/31,452.45 = 12,722.38/x
  3. Step 3: Cross multiply
    22,792.22x = 31,452.45 × 12,722.38
  4. Step 4: Simplify right side
    22,792.22x = 400,149,894.49
  5. Step 5: Solve for x
    x = 400,149,894.49/22,792.22
  6. Step 6: Final answer
    x = 17,556.43

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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.