Home / 18,168.21-27,252.27-5,020.56

Finding the Fourth Proportional to 18,168.21, 27,252.27 and 5,020.56

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Solution

The fourth proportional to 18,168.21, 27,252.27 and 5,020.56 is: 7,530.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168.21 : 27,252.27 = 5,020.56 : x
  2. Step 2: Convert to fraction form
    18,168.21/27,252.27 = 5,020.56/x
  3. Step 3: Cross multiply
    18,168.21x = 27,252.27 × 5,020.56
  4. Step 4: Simplify right side
    18,168.21x = 136,821,656.67
  5. Step 5: Solve for x
    x = 136,821,656.67/18,168.21
  6. Step 6: Final answer
    x = 7,530.83

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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.