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Finding the Fourth Proportional to 18,794.15, 25,934.81 and 10,294.57

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Solution

The fourth proportional to 18,794.15, 25,934.81 and 10,294.57 is: 14,205.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794.15 : 25,934.81 = 10,294.57 : x
  2. Step 2: Convert to fraction form
    18,794.15/25,934.81 = 10,294.57/x
  3. Step 3: Cross multiply
    18,794.15x = 25,934.81 × 10,294.57
  4. Step 4: Simplify right side
    18,794.15x = 266,987,600.67
  5. Step 5: Solve for x
    x = 266,987,600.67/18,794.15
  6. Step 6: Final answer
    x = 14,205.89

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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.