Home / 23,163.08-31,964.84-12,552.80

Finding the Fourth Proportional to 23,163.08, 31,964.84 and 12,552.80

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Solution

The fourth proportional to 23,163.08, 31,964.84 and 12,552.80 is: 17,322.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,163.08 : 31,964.84 = 12,552.80 : x
  2. Step 2: Convert to fraction form
    23,163.08/31,964.84 = 12,552.80/x
  3. Step 3: Cross multiply
    23,163.08x = 31,964.84 × 12,552.80
  4. Step 4: Simplify right side
    23,163.08x = 401,248,243.55
  5. Step 5: Solve for x
    x = 401,248,243.55/23,163.08
  6. Step 6: Final answer
    x = 17,322.75

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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.