Home / 16,789.88-23,170.15-9,236.70

Finding the Fourth Proportional to 16,789.88, 23,170.15 and 9,236.70

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Solution

The fourth proportional to 16,789.88, 23,170.15 and 9,236.70 is: 12,746.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789.88 : 23,170.15 = 9,236.70 : x
  2. Step 2: Convert to fraction form
    16,789.88/23,170.15 = 9,236.70/x
  3. Step 3: Cross multiply
    16,789.88x = 23,170.15 × 9,236.70
  4. Step 4: Simplify right side
    16,789.88x = 214,015,736.05
  5. Step 5: Solve for x
    x = 214,015,736.05/16,789.88
  6. Step 6: Final answer
    x = 12,746.71

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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.