Home / 16,936.07-23,370.41-9,382.72

Finding the Fourth Proportional to 16,936.07, 23,370.41 and 9,382.72

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Solution

The fourth proportional to 16,936.07, 23,370.41 and 9,382.72 is: 12,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,936.07 : 23,370.41 = 9,382.72 : x
  2. Step 2: Convert to fraction form
    16,936.07/23,370.41 = 9,382.72/x
  3. Step 3: Cross multiply
    16,936.07x = 23,370.41 × 9,382.72
  4. Step 4: Simplify right side
    16,936.07x = 219,278,107.56
  5. Step 5: Solve for x
    x = 219,278,107.56/16,936.07
  6. Step 6: Final answer
    x = 12,947.40

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Half scale
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Double scale
Find fourth proportional to 16,937.07, 23,371.79 and 9,383.72
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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.