Home / 27,125.91-40,695.21-8,404.97

Finding the Fourth Proportional to 27,125.91, 40,695.21 and 8,404.97

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Solution

The fourth proportional to 27,125.91, 40,695.21 and 8,404.97 is: 12,609.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.91 : 40,695.21 = 8,404.97 : x
  2. Step 2: Convert to fraction form
    27,125.91/40,695.21 = 8,404.97/x
  3. Step 3: Cross multiply
    27,125.91x = 40,695.21 × 8,404.97
  4. Step 4: Simplify right side
    27,125.91x = 342,041,815.72
  5. Step 5: Solve for x
    x = 342,041,815.72/27,125.91
  6. Step 6: Final answer
    x = 12,609.41

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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.