Home / 19,745.01-27,245.73-11,247.15

Finding the Fourth Proportional to 19,745.01, 27,245.73 and 11,247.15

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Solution

The fourth proportional to 19,745.01, 27,245.73 and 11,247.15 is: 15,519.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,745.01 : 27,245.73 = 11,247.15 : x
  2. Step 2: Convert to fraction form
    19,745.01/27,245.73 = 11,247.15/x
  3. Step 3: Cross multiply
    19,745.01x = 27,245.73 × 11,247.15
  4. Step 4: Simplify right side
    19,745.01x = 306,436,812.17
  5. Step 5: Solve for x
    x = 306,436,812.17/19,745.01
  6. Step 6: Final answer
    x = 15,519.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.