Home / 18,163.16-27,234.86-5,677.80

Finding the Fourth Proportional to 18,163.16, 27,234.86 and 5,677.80

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Solution

The fourth proportional to 18,163.16, 27,234.86 and 5,677.80 is: 8,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.16 : 27,234.86 = 5,677.80 : x
  2. Step 2: Convert to fraction form
    18,163.16/27,234.86 = 5,677.80/x
  3. Step 3: Cross multiply
    18,163.16x = 27,234.86 × 5,677.80
  4. Step 4: Simplify right side
    18,163.16x = 154,634,088.11
  5. Step 5: Solve for x
    x = 154,634,088.11/18,163.16
  6. Step 6: Final answer
    x = 8,513.61

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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.