Home / 18,568.45-27,855.41-12,023.85

Finding the Fourth Proportional to 18,568.45, 27,855.41 and 12,023.85

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Solution

The fourth proportional to 18,568.45, 27,855.41 and 12,023.85 is: 18,037.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.45 : 27,855.41 = 12,023.85 : x
  2. Step 2: Convert to fraction form
    18,568.45/27,855.41 = 12,023.85/x
  3. Step 3: Cross multiply
    18,568.45x = 27,855.41 × 12,023.85
  4. Step 4: Simplify right side
    18,568.45x = 334,929,254.43
  5. Step 5: Solve for x
    x = 334,929,254.43/18,568.45
  6. Step 6: Final answer
    x = 18,037.55

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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.