Home / 22,540.25-31,103.15-12,467.09

Finding the Fourth Proportional to 22,540.25, 31,103.15 and 12,467.09

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Solution

The fourth proportional to 22,540.25, 31,103.15 and 12,467.09 is: 17,203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,540.25 : 31,103.15 = 12,467.09 : x
  2. Step 2: Convert to fraction form
    22,540.25/31,103.15 = 12,467.09/x
  3. Step 3: Cross multiply
    22,540.25x = 31,103.15 × 12,467.09
  4. Step 4: Simplify right side
    22,540.25x = 387,765,552.48
  5. Step 5: Solve for x
    x = 387,765,552.48/22,540.25
  6. Step 6: Final answer
    x = 17,203.25

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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.