Home / 27,515.94-41,279.84-8,540.22

Finding the Fourth Proportional to 27,515.94, 41,279.84 and 8,540.22

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Solution

The fourth proportional to 27,515.94, 41,279.84 and 8,540.22 is: 12,812.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.94 : 41,279.84 = 8,540.22 : x
  2. Step 2: Convert to fraction form
    27,515.94/41,279.84 = 8,540.22/x
  3. Step 3: Cross multiply
    27,515.94x = 41,279.84 × 8,540.22
  4. Step 4: Simplify right side
    27,515.94x = 352,538,915.16
  5. Step 5: Solve for x
    x = 352,538,915.16/27,515.94
  6. Step 6: Final answer
    x = 12,812.17

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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.