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Finding the Fourth Proportional to 16,914.37, 25,353.73 and 8,130.73

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Solution

The fourth proportional to 16,914.37, 25,353.73 and 8,130.73 is: 12,187.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,914.37 : 25,353.73 = 8,130.73 : x
  2. Step 2: Convert to fraction form
    16,914.37/25,353.73 = 8,130.73/x
  3. Step 3: Cross multiply
    16,914.37x = 25,353.73 × 8,130.73
  4. Step 4: Simplify right side
    16,914.37x = 206,144,333.12
  5. Step 5: Solve for x
    x = 206,144,333.12/16,914.37
  6. Step 6: Final answer
    x = 12,187.53

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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.