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Finding the Fourth Proportional to 18,174.86, 27,242.70 and 8,795.06

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Solution

The fourth proportional to 18,174.86, 27,242.70 and 8,795.06 is: 13,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.86 : 27,242.70 = 8,795.06 : x
  2. Step 2: Convert to fraction form
    18,174.86/27,242.70 = 8,795.06/x
  3. Step 3: Cross multiply
    18,174.86x = 27,242.70 × 8,795.06
  4. Step 4: Simplify right side
    18,174.86x = 239,601,181.06
  5. Step 5: Solve for x
    x = 239,601,181.06/18,174.86
  6. Step 6: Final answer
    x = 13,183.11

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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.