Home / 23,183.82-31,991.76-13,113.29

Finding the Fourth Proportional to 23,183.82, 31,991.76 and 13,113.29

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Solution

The fourth proportional to 23,183.82, 31,991.76 and 13,113.29 is: 18,095.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,183.82 : 31,991.76 = 13,113.29 : x
  2. Step 2: Convert to fraction form
    23,183.82/31,991.76 = 13,113.29/x
  3. Step 3: Cross multiply
    23,183.82x = 31,991.76 × 13,113.29
  4. Step 4: Simplify right side
    23,183.82x = 419,517,306.47
  5. Step 5: Solve for x
    x = 419,517,306.47/23,183.82
  6. Step 6: Final answer
    x = 18,095.26

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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.