Home / 23,163.12-31,964.88-12,552.72

Finding the Fourth Proportional to 23,163.12, 31,964.88 and 12,552.72

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Solution

The fourth proportional to 23,163.12, 31,964.88 and 12,552.72 is: 17,322.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,163.12 : 31,964.88 = 12,552.72 : x
  2. Step 2: Convert to fraction form
    23,163.12/31,964.88 = 12,552.72/x
  3. Step 3: Cross multiply
    23,163.12x = 31,964.88 × 12,552.72
  4. Step 4: Simplify right side
    23,163.12x = 401,246,188.47
  5. Step 5: Solve for x
    x = 401,246,188.47/23,163.12
  6. Step 6: Final answer
    x = 17,322.63

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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.