Home / 12,625.82-17,431.76-11,297.22

Finding the Fourth Proportional to 12,625.82, 17,431.76 and 11,297.22

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Solution

The fourth proportional to 12,625.82, 17,431.76 and 11,297.22 is: 15,597.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.82 : 17,431.76 = 11,297.22 : x
  2. Step 2: Convert to fraction form
    12,625.82/17,431.76 = 11,297.22/x
  3. Step 3: Cross multiply
    12,625.82x = 17,431.76 × 11,297.22
  4. Step 4: Simplify right side
    12,625.82x = 196,930,425.09
  5. Step 5: Solve for x
    x = 196,930,425.09/12,625.82
  6. Step 6: Final answer
    x = 15,597.43

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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.