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Finding the Fourth Proportional to 18,671.94, 25,758.84 and 12,296.83

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Solution

The fourth proportional to 18,671.94, 25,758.84 and 12,296.83 is: 16,964.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671.94 : 25,758.84 = 12,296.83 : x
  2. Step 2: Convert to fraction form
    18,671.94/25,758.84 = 12,296.83/x
  3. Step 3: Cross multiply
    18,671.94x = 25,758.84 × 12,296.83
  4. Step 4: Simplify right side
    18,671.94x = 316,752,076.48
  5. Step 5: Solve for x
    x = 316,752,076.48/18,671.94
  6. Step 6: Final answer
    x = 16,964.07

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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.