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Finding the Fourth Proportional to 18,481.17, 25,503.87 and 10,097.67

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Solution

The fourth proportional to 18,481.17, 25,503.87 and 10,097.67 is: 13,934.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,481.17 : 25,503.87 = 10,097.67 : x
  2. Step 2: Convert to fraction form
    18,481.17/25,503.87 = 10,097.67/x
  3. Step 3: Cross multiply
    18,481.17x = 25,503.87 × 10,097.67
  4. Step 4: Simplify right side
    18,481.17x = 257,529,662.98
  5. Step 5: Solve for x
    x = 257,529,662.98/18,481.17
  6. Step 6: Final answer
    x = 13,934.71

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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.