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Finding the Fourth Proportional to 16,832.40, 25,174.44 and 12,404.40

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Solution

The fourth proportional to 16,832.40, 25,174.44 and 12,404.40 is: 18,551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,832.40 : 25,174.44 = 12,404.40 : x
  2. Step 2: Convert to fraction form
    16,832.40/25,174.44 = 12,404.40/x
  3. Step 3: Cross multiply
    16,832.40x = 25,174.44 × 12,404.40
  4. Step 4: Simplify right side
    16,832.40x = 312,273,823.54
  5. Step 5: Solve for x
    x = 312,273,823.54/16,832.40
  6. Step 6: Final answer
    x = 18,551.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.