Home / 18,163.89-27,249.08-7,076.61

Finding the Fourth Proportional to 18,163.89, 27,249.08 and 7,076.61

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Solution

The fourth proportional to 18,163.89, 27,249.08 and 7,076.61 is: 10,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.89 : 27,249.08 = 7,076.61 : x
  2. Step 2: Convert to fraction form
    18,163.89/27,249.08 = 7,076.61/x
  3. Step 3: Cross multiply
    18,163.89x = 27,249.08 × 7,076.61
  4. Step 4: Simplify right side
    18,163.89x = 192,831,076.64
  5. Step 5: Solve for x
    x = 192,831,076.64/18,163.89
  6. Step 6: Final answer
    x = 10,616.18

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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.