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Finding the Fourth Proportional to 18,183.86, 25,093.48 and 10,226.08

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Solution

The fourth proportional to 18,183.86, 25,093.48 and 10,226.08 is: 14,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.86 : 25,093.48 = 10,226.08 : x
  2. Step 2: Convert to fraction form
    18,183.86/25,093.48 = 10,226.08/x
  3. Step 3: Cross multiply
    18,183.86x = 25,093.48 × 10,226.08
  4. Step 4: Simplify right side
    18,183.86x = 256,607,757.36
  5. Step 5: Solve for x
    x = 256,607,757.36/18,183.86
  6. Step 6: Final answer
    x = 14,111.85

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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.