Home / 22,203.06-30,640.41-14,245.44

Finding the Fourth Proportional to 22,203.06, 30,640.41 and 14,245.44

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Solution

The fourth proportional to 22,203.06, 30,640.41 and 14,245.44 is: 19,658.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,203.06 : 30,640.41 = 14,245.44 : x
  2. Step 2: Convert to fraction form
    22,203.06/30,640.41 = 14,245.44/x
  3. Step 3: Cross multiply
    22,203.06x = 30,640.41 × 14,245.44
  4. Step 4: Simplify right side
    22,203.06x = 436,486,122.23
  5. Step 5: Solve for x
    x = 436,486,122.23/22,203.06
  6. Step 6: Final answer
    x = 19,658.83

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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.