Home / 27,198.16-40,798.24-7,478.26

Finding the Fourth Proportional to 27,198.16, 40,798.24 and 7,478.26

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Solution

The fourth proportional to 27,198.16, 40,798.24 and 7,478.26 is: 11,217.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,198.16 : 40,798.24 = 7,478.26 : x
  2. Step 2: Convert to fraction form
    27,198.16/40,798.24 = 7,478.26/x
  3. Step 3: Cross multiply
    27,198.16x = 40,798.24 × 7,478.26
  4. Step 4: Simplify right side
    27,198.16x = 305,099,846.26
  5. Step 5: Solve for x
    x = 305,099,846.26/27,198.16
  6. Step 6: Final answer
    x = 11,217.66

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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.