Home / 12,727.44-19,093.20-5,328.12

Finding the Fourth Proportional to 12,727.44, 19,093.20 and 5,328.12

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Solution

The fourth proportional to 12,727.44, 19,093.20 and 5,328.12 is: 7,993.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727.44 : 19,093.20 = 5,328.12 : x
  2. Step 2: Convert to fraction form
    12,727.44/19,093.20 = 5,328.12/x
  3. Step 3: Cross multiply
    12,727.44x = 19,093.20 × 5,328.12
  4. Step 4: Simplify right side
    12,727.44x = 101,730,860.78
  5. Step 5: Solve for x
    x = 101,730,860.78/12,727.44
  6. Step 6: Final answer
    x = 7,993.03

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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.