Home / 22,986.92-31,648.62-19,616.21

Finding the Fourth Proportional to 22,986.92, 31,648.62 and 19,616.21

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Solution

The fourth proportional to 22,986.92, 31,648.62 and 19,616.21 is: 27,007.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,986.92 : 31,648.62 = 19,616.21 : x
  2. Step 2: Convert to fraction form
    22,986.92/31,648.62 = 19,616.21/x
  3. Step 3: Cross multiply
    22,986.92x = 31,648.62 × 19,616.21
  4. Step 4: Simplify right side
    22,986.92x = 620,826,010.13
  5. Step 5: Solve for x
    x = 620,826,010.13/22,986.92
  6. Step 6: Final answer
    x = 27,007.79

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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.