Home / 19,745.76-27,249.14-11,362.26

Finding the Fourth Proportional to 19,745.76, 27,249.14 and 11,362.26

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Solution

The fourth proportional to 19,745.76, 27,249.14 and 11,362.26 is: 15,679.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,745.76 : 27,249.14 = 11,362.26 : x
  2. Step 2: Convert to fraction form
    19,745.76/27,249.14 = 11,362.26/x
  3. Step 3: Cross multiply
    19,745.76x = 27,249.14 × 11,362.26
  4. Step 4: Simplify right side
    19,745.76x = 309,611,813.46
  5. Step 5: Solve for x
    x = 309,611,813.46/19,745.76
  6. Step 6: Final answer
    x = 15,679.91

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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.