Home / 16,896.13-23,305.68-10,836.78

Finding the Fourth Proportional to 16,896.13, 23,305.68 and 10,836.78

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Solution

The fourth proportional to 16,896.13, 23,305.68 and 10,836.78 is: 14,947.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,896.13 : 23,305.68 = 10,836.78 : x
  2. Step 2: Convert to fraction form
    16,896.13/23,305.68 = 10,836.78/x
  3. Step 3: Cross multiply
    16,896.13x = 23,305.68 × 10,836.78
  4. Step 4: Simplify right side
    16,896.13x = 252,558,425.97
  5. Step 5: Solve for x
    x = 252,558,425.97/16,896.13
  6. Step 6: Final answer
    x = 14,947.71

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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.