Home / 23,163.22-31,965.27-12,552.78

Finding the Fourth Proportional to 23,163.22, 31,965.27 and 12,552.78

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Solution

The fourth proportional to 23,163.22, 31,965.27 and 12,552.78 is: 17,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,163.22 : 31,965.27 = 12,552.78 : x
  2. Step 2: Convert to fraction form
    23,163.22/31,965.27 = 12,552.78/x
  3. Step 3: Cross multiply
    23,163.22x = 31,965.27 × 12,552.78
  4. Step 4: Simplify right side
    23,163.22x = 401,253,001.95
  5. Step 5: Solve for x
    x = 401,253,001.95/23,163.22
  6. Step 6: Final answer
    x = 17,322.85

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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.