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Finding the Fourth Proportional to 18,794.94, 25,936.78 and 10,296.96

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Solution

The fourth proportional to 18,794.94, 25,936.78 and 10,296.96 is: 14,209.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794.94 : 25,936.78 = 10,296.96 : x
  2. Step 2: Convert to fraction form
    18,794.94/25,936.78 = 10,296.96/x
  3. Step 3: Cross multiply
    18,794.94x = 25,936.78 × 10,296.96
  4. Step 4: Simplify right side
    18,794.94x = 267,069,934.70
  5. Step 5: Solve for x
    x = 267,069,934.70/18,794.94
  6. Step 6: Final answer
    x = 14,209.67

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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.