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Finding the Fourth Proportional to 18,910.92, 26,097.16 and 10,844.88

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Solution

The fourth proportional to 18,910.92, 26,097.16 and 10,844.88 is: 14,965.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910.92 : 26,097.16 = 10,844.88 : x
  2. Step 2: Convert to fraction form
    18,910.92/26,097.16 = 10,844.88/x
  3. Step 3: Cross multiply
    18,910.92x = 26,097.16 × 10,844.88
  4. Step 4: Simplify right side
    18,910.92x = 283,020,568.54
  5. Step 5: Solve for x
    x = 283,020,568.54/18,910.92
  6. Step 6: Final answer
    x = 14,965.99

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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.