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Finding the Fourth Proportional to 18,794.46, 25,930.05 and 10,836.60

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Solution

The fourth proportional to 18,794.46, 25,930.05 and 10,836.60 is: 14,950.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794.46 : 25,930.05 = 10,836.60 : x
  2. Step 2: Convert to fraction form
    18,794.46/25,930.05 = 10,836.60/x
  3. Step 3: Cross multiply
    18,794.46x = 25,930.05 × 10,836.60
  4. Step 4: Simplify right side
    18,794.46x = 280,993,579.83
  5. Step 5: Solve for x
    x = 280,993,579.83/18,794.46
  6. Step 6: Final answer
    x = 14,950.87

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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.