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Finding the Fourth Proportional to 18,524.00, 25,556.15 and 12,154.11

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Solution

The fourth proportional to 18,524.00, 25,556.15 and 12,154.11 is: 16,768.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.00 : 25,556.15 = 12,154.11 : x
  2. Step 2: Convert to fraction form
    18,524.00/25,556.15 = 12,154.11/x
  3. Step 3: Cross multiply
    18,524.00x = 25,556.15 × 12,154.11
  4. Step 4: Simplify right side
    18,524.00x = 310,612,244.65
  5. Step 5: Solve for x
    x = 310,612,244.65/18,524.00
  6. Step 6: Final answer
    x = 16,768.09

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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.