Home / 27,401.49-41,104.85-7,679.99

Finding the Fourth Proportional to 27,401.49, 41,104.85 and 7,679.99

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Solution

The fourth proportional to 27,401.49, 41,104.85 and 7,679.99 is: 11,520.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,401.49 : 41,104.85 = 7,679.99 : x
  2. Step 2: Convert to fraction form
    27,401.49/41,104.85 = 7,679.99/x
  3. Step 3: Cross multiply
    27,401.49x = 41,104.85 × 7,679.99
  4. Step 4: Simplify right side
    27,401.49x = 315,684,901.31
  5. Step 5: Solve for x
    x = 315,684,901.31/27,401.49
  6. Step 6: Final answer
    x = 11,520.72

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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.