Home / 27,581.09-41,378.13-12,003.17

Finding the Fourth Proportional to 27,581.09, 41,378.13 and 12,003.17

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Solution

The fourth proportional to 27,581.09, 41,378.13 and 12,003.17 is: 18,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.09 : 41,378.13 = 12,003.17 : x
  2. Step 2: Convert to fraction form
    27,581.09/41,378.13 = 12,003.17/x
  3. Step 3: Cross multiply
    27,581.09x = 41,378.13 × 12,003.17
  4. Step 4: Simplify right side
    27,581.09x = 496,668,521.78
  5. Step 5: Solve for x
    x = 496,668,521.78/27,581.09
  6. Step 6: Final answer
    x = 18,007.58

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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.