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Finding the Fourth Proportional to 18,198.73, 25,117.46 and 17,367.67

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Solution

The fourth proportional to 18,198.73, 25,117.46 and 17,367.67 is: 23,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.73 : 25,117.46 = 17,367.67 : x
  2. Step 2: Convert to fraction form
    18,198.73/25,117.46 = 17,367.67/x
  3. Step 3: Cross multiply
    18,198.73x = 25,117.46 × 17,367.67
  4. Step 4: Simplify right side
    18,198.73x = 436,231,756.52
  5. Step 5: Solve for x
    x = 436,231,756.52/18,198.73
  6. Step 6: Final answer
    x = 23,970.45

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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.