Home / 23,125.27-31,891.21-15,350.33

Finding the Fourth Proportional to 23,125.27, 31,891.21 and 15,350.33

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Solution

The fourth proportional to 23,125.27, 31,891.21 and 15,350.33 is: 21,169.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,125.27 : 31,891.21 = 15,350.33 : x
  2. Step 2: Convert to fraction form
    23,125.27/31,891.21 = 15,350.33/x
  3. Step 3: Cross multiply
    23,125.27x = 31,891.21 × 15,350.33
  4. Step 4: Simplify right side
    23,125.27x = 489,540,399.77
  5. Step 5: Solve for x
    x = 489,540,399.77/23,125.27
  6. Step 6: Final answer
    x = 21,169.07

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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.