Home / 22,418.88-33,745.20-19,036.32

Finding the Fourth Proportional to 22,418.88, 33,745.20 and 19,036.32

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Solution

The fourth proportional to 22,418.88, 33,745.20 and 19,036.32 is: 28,653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,418.88 : 33,745.20 = 19,036.32 : x
  2. Step 2: Convert to fraction form
    22,418.88/33,745.20 = 19,036.32/x
  3. Step 3: Cross multiply
    22,418.88x = 33,745.20 × 19,036.32
  4. Step 4: Simplify right side
    22,418.88x = 642,384,425.66
  5. Step 5: Solve for x
    x = 642,384,425.66/22,418.88
  6. Step 6: Final answer
    x = 28,653.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.