Home / 18,568.45-27,855.75-9,208.77

Finding the Fourth Proportional to 18,568.45, 27,855.75 and 9,208.77

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Solution

The fourth proportional to 18,568.45, 27,855.75 and 9,208.77 is: 13,814.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.45 : 27,855.75 = 9,208.77 : x
  2. Step 2: Convert to fraction form
    18,568.45/27,855.75 = 9,208.77/x
  3. Step 3: Cross multiply
    18,568.45x = 27,855.75 × 9,208.77
  4. Step 4: Simplify right side
    18,568.45x = 256,517,229.89
  5. Step 5: Solve for x
    x = 256,517,229.89/18,568.45
  6. Step 6: Final answer
    x = 13,814.68

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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.