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Finding the Fourth Proportional to 18,184.67, 25,101.48 and 11,474.67

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Solution

The fourth proportional to 18,184.67, 25,101.48 and 11,474.67 is: 15,839.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,184.67 : 25,101.48 = 11,474.67 : x
  2. Step 2: Convert to fraction form
    18,184.67/25,101.48 = 11,474.67/x
  3. Step 3: Cross multiply
    18,184.67x = 25,101.48 × 11,474.67
  4. Step 4: Simplify right side
    18,184.67x = 288,031,336.67
  5. Step 5: Solve for x
    x = 288,031,336.67/18,184.67
  6. Step 6: Final answer
    x = 15,839.24

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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.