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Finding the Fourth Proportional to 22,250.94, 30,714.07 and 13,759.57

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Solution

The fourth proportional to 22,250.94, 30,714.07 and 13,759.57 is: 18,993.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,250.94 : 30,714.07 = 13,759.57 : x
  2. Step 2: Convert to fraction form
    22,250.94/30,714.07 = 13,759.57/x
  3. Step 3: Cross multiply
    22,250.94x = 30,714.07 × 13,759.57
  4. Step 4: Simplify right side
    22,250.94x = 422,612,425.94
  5. Step 5: Solve for x
    x = 422,612,425.94/22,250.94
  6. Step 6: Final answer
    x = 18,993.02

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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.