Home / 18,625.11-27,937.58-7,531.66

Finding the Fourth Proportional to 18,625.11, 27,937.58 and 7,531.66

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Solution

The fourth proportional to 18,625.11, 27,937.58 and 7,531.66 is: 11,297.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.11 : 27,937.58 = 7,531.66 : x
  2. Step 2: Convert to fraction form
    18,625.11/27,937.58 = 7,531.66/x
  3. Step 3: Cross multiply
    18,625.11x = 27,937.58 × 7,531.66
  4. Step 4: Simplify right side
    18,625.11x = 210,416,353.78
  5. Step 5: Solve for x
    x = 210,416,353.78/18,625.11
  6. Step 6: Final answer
    x = 11,297.46

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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.