Home / 22,339.80-33,498.24-11,815.50

Finding the Fourth Proportional to 22,339.80, 33,498.24 and 11,815.50

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Solution

The fourth proportional to 22,339.80, 33,498.24 and 11,815.50 is: 17,717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,339.80 : 33,498.24 = 11,815.50 : x
  2. Step 2: Convert to fraction form
    22,339.80/33,498.24 = 11,815.50/x
  3. Step 3: Cross multiply
    22,339.80x = 33,498.24 × 11,815.50
  4. Step 4: Simplify right side
    22,339.80x = 395,798,454.72
  5. Step 5: Solve for x
    x = 395,798,454.72/22,339.80
  6. Step 6: Final answer
    x = 17,717.19

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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.