Home / 18,347.49-27,521.24-5,198.22

Finding the Fourth Proportional to 18,347.49, 27,521.24 and 5,198.22

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Solution

The fourth proportional to 18,347.49, 27,521.24 and 5,198.22 is: 7,797.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.49 : 27,521.24 = 5,198.22 : x
  2. Step 2: Convert to fraction form
    18,347.49/27,521.24 = 5,198.22/x
  3. Step 3: Cross multiply
    18,347.49x = 27,521.24 × 5,198.22
  4. Step 4: Simplify right side
    18,347.49x = 143,061,434.20
  5. Step 5: Solve for x
    x = 143,061,434.20/18,347.49
  6. Step 6: Final answer
    x = 7,797.33

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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.