Home / 18,110.93-27,137.23-11,170.85

Finding the Fourth Proportional to 18,110.93, 27,137.23 and 11,170.85

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Solution

The fourth proportional to 18,110.93, 27,137.23 and 11,170.85 is: 16,738.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.93 : 27,137.23 = 11,170.85 : x
  2. Step 2: Convert to fraction form
    18,110.93/27,137.23 = 11,170.85/x
  3. Step 3: Cross multiply
    18,110.93x = 27,137.23 × 11,170.85
  4. Step 4: Simplify right side
    18,110.93x = 303,145,762.13
  5. Step 5: Solve for x
    x = 303,145,762.13/18,110.93
  6. Step 6: Final answer
    x = 16,738.28

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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.