Home / 27,473.32-41,176.20-12,661.68

Finding the Fourth Proportional to 27,473.32, 41,176.20 and 12,661.68

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Solution

The fourth proportional to 27,473.32, 41,176.20 and 12,661.68 is: 18,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,473.32 : 41,176.20 = 12,661.68 : x
  2. Step 2: Convert to fraction form
    27,473.32/41,176.20 = 12,661.68/x
  3. Step 3: Cross multiply
    27,473.32x = 41,176.20 × 12,661.68
  4. Step 4: Simplify right side
    27,473.32x = 521,359,868.02
  5. Step 5: Solve for x
    x = 521,359,868.02/27,473.32
  6. Step 6: Final answer
    x = 18,976.95

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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.