Home / 23,037.75-31,789.49-12,965.92

Finding the Fourth Proportional to 23,037.75, 31,789.49 and 12,965.92

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Solution

The fourth proportional to 23,037.75, 31,789.49 and 12,965.92 is: 17,891.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,037.75 : 31,789.49 = 12,965.92 : x
  2. Step 2: Convert to fraction form
    23,037.75/31,789.49 = 12,965.92/x
  3. Step 3: Cross multiply
    23,037.75x = 31,789.49 × 12,965.92
  4. Step 4: Simplify right side
    23,037.75x = 412,179,839.88
  5. Step 5: Solve for x
    x = 412,179,839.88/23,037.75
  6. Step 6: Final answer
    x = 17,891.50

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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.