Home / 16,231.73-22,399.94-9,521.33

Finding the Fourth Proportional to 16,231.73, 22,399.94 and 9,521.33

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Solution

The fourth proportional to 16,231.73, 22,399.94 and 9,521.33 is: 13,139.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,231.73 : 22,399.94 = 9,521.33 : x
  2. Step 2: Convert to fraction form
    16,231.73/22,399.94 = 9,521.33/x
  3. Step 3: Cross multiply
    16,231.73x = 22,399.94 × 9,521.33
  4. Step 4: Simplify right side
    16,231.73x = 213,277,132.52
  5. Step 5: Solve for x
    x = 213,277,132.52/16,231.73
  6. Step 6: Final answer
    x = 13,139.52

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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.