Home / 27,183.24-40,760.10-8,455.14

Finding the Fourth Proportional to 27,183.24, 40,760.10 and 8,455.14

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Solution

The fourth proportional to 27,183.24, 40,760.10 and 8,455.14 is: 12,678.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,183.24 : 40,760.10 = 8,455.14 : x
  2. Step 2: Convert to fraction form
    27,183.24/40,760.10 = 8,455.14/x
  3. Step 3: Cross multiply
    27,183.24x = 40,760.10 × 8,455.14
  4. Step 4: Simplify right side
    27,183.24x = 344,632,351.91
  5. Step 5: Solve for x
    x = 344,632,351.91/27,183.24
  6. Step 6: Final answer
    x = 12,678.12

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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.