Home / 16,936.50-23,371.65-9,382.80

Finding the Fourth Proportional to 16,936.50, 23,371.65 and 9,382.80

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Solution

The fourth proportional to 16,936.50, 23,371.65 and 9,382.80 is: 12,947.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,936.50 : 23,371.65 = 9,382.80 : x
  2. Step 2: Convert to fraction form
    16,936.50/23,371.65 = 9,382.80/x
  3. Step 3: Cross multiply
    16,936.50x = 23,371.65 × 9,382.80
  4. Step 4: Simplify right side
    16,936.50x = 219,291,517.62
  5. Step 5: Solve for x
    x = 219,291,517.62/16,936.50
  6. Step 6: Final answer
    x = 12,947.87

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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.