Home / 22,546.56-31,107.20-13,596.80

Finding the Fourth Proportional to 22,546.56, 31,107.20 and 13,596.80

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Solution

The fourth proportional to 22,546.56, 31,107.20 and 13,596.80 is: 18,759.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,546.56 : 31,107.20 = 13,596.80 : x
  2. Step 2: Convert to fraction form
    22,546.56/31,107.20 = 13,596.80/x
  3. Step 3: Cross multiply
    22,546.56x = 31,107.20 × 13,596.80
  4. Step 4: Simplify right side
    22,546.56x = 422,958,376.96
  5. Step 5: Solve for x
    x = 422,958,376.96/22,546.56
  6. Step 6: Final answer
    x = 18,759.33

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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.