Home / 16,640.44-22,963.84-9,086.78

Finding the Fourth Proportional to 16,640.44, 22,963.84 and 9,086.78

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Solution

The fourth proportional to 16,640.44, 22,963.84 and 9,086.78 is: 12,539.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,640.44 : 22,963.84 = 9,086.78 : x
  2. Step 2: Convert to fraction form
    16,640.44/22,963.84 = 9,086.78/x
  3. Step 3: Cross multiply
    16,640.44x = 22,963.84 × 9,086.78
  4. Step 4: Simplify right side
    16,640.44x = 208,667,447.84
  5. Step 5: Solve for x
    x = 208,667,447.84/16,640.44
  6. Step 6: Final answer
    x = 12,539.78

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Half scale
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Double scale
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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.