Home / 22,723.11-31,357.82-12,651.29

Finding the Fourth Proportional to 22,723.11, 31,357.82 and 12,651.29

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Solution

The fourth proportional to 22,723.11, 31,357.82 and 12,651.29 is: 17,458.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,723.11 : 31,357.82 = 12,651.29 : x
  2. Step 2: Convert to fraction form
    22,723.11/31,357.82 = 12,651.29/x
  3. Step 3: Cross multiply
    22,723.11x = 31,357.82 × 12,651.29
  4. Step 4: Simplify right side
    22,723.11x = 396,716,811.33
  5. Step 5: Solve for x
    x = 396,716,811.33/22,723.11
  6. Step 6: Final answer
    x = 17,458.74

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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.