Home / 18,298.10-27,453.72-7,198.64

Finding the Fourth Proportional to 18,298.10, 27,453.72 and 7,198.64

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Solution

The fourth proportional to 18,298.10, 27,453.72 and 7,198.64 is: 10,800.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.10 : 27,453.72 = 7,198.64 : x
  2. Step 2: Convert to fraction form
    18,298.10/27,453.72 = 7,198.64/x
  3. Step 3: Cross multiply
    18,298.10x = 27,453.72 × 7,198.64
  4. Step 4: Simplify right side
    18,298.10x = 197,629,446.94
  5. Step 5: Solve for x
    x = 197,629,446.94/18,298.10
  6. Step 6: Final answer
    x = 10,800.54

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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.