Home / 22,398.39-33,603.66-19,950.30

Finding the Fourth Proportional to 22,398.39, 33,603.66 and 19,950.30

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Solution

The fourth proportional to 22,398.39, 33,603.66 and 19,950.30 is: 29,930.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,398.39 : 33,603.66 = 19,950.30 : x
  2. Step 2: Convert to fraction form
    22,398.39/33,603.66 = 19,950.30/x
  3. Step 3: Cross multiply
    22,398.39x = 33,603.66 × 19,950.30
  4. Step 4: Simplify right side
    22,398.39x = 670,403,098.10
  5. Step 5: Solve for x
    x = 670,403,098.10/22,398.39
  6. Step 6: Final answer
    x = 29,930.86

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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.