Home / 22,201.98-30,641.94-13,249.86

Finding the Fourth Proportional to 22,201.98, 30,641.94 and 13,249.86

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Solution

The fourth proportional to 22,201.98, 30,641.94 and 13,249.86 is: 18,286.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,201.98 : 30,641.94 = 13,249.86 : x
  2. Step 2: Convert to fraction form
    22,201.98/30,641.94 = 13,249.86/x
  3. Step 3: Cross multiply
    22,201.98x = 30,641.94 × 13,249.86
  4. Step 4: Simplify right side
    22,201.98x = 406,001,415.13
  5. Step 5: Solve for x
    x = 406,001,415.13/22,201.98
  6. Step 6: Final answer
    x = 18,286.72

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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.