Home / 22,644.24-31,247.38-13,084.56

Finding the Fourth Proportional to 22,644.24, 31,247.38 and 13,084.56

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Solution

The fourth proportional to 22,644.24, 31,247.38 and 13,084.56 is: 18,055.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,644.24 : 31,247.38 = 13,084.56 : x
  2. Step 2: Convert to fraction form
    22,644.24/31,247.38 = 13,084.56/x
  3. Step 3: Cross multiply
    22,644.24x = 31,247.38 × 13,084.56
  4. Step 4: Simplify right side
    22,644.24x = 408,858,218.45
  5. Step 5: Solve for x
    x = 408,858,218.45/22,644.24
  6. Step 6: Final answer
    x = 18,055.73

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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.