Home / 22,170.15-33,255.53-7,379.07

Finding the Fourth Proportional to 22,170.15, 33,255.53 and 7,379.07

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Solution

The fourth proportional to 22,170.15, 33,255.53 and 7,379.07 is: 11,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.15 : 33,255.53 = 7,379.07 : x
  2. Step 2: Convert to fraction form
    22,170.15/33,255.53 = 7,379.07/x
  3. Step 3: Cross multiply
    22,170.15x = 33,255.53 × 7,379.07
  4. Step 4: Simplify right side
    22,170.15x = 245,394,846.86
  5. Step 5: Solve for x
    x = 245,394,846.86/22,170.15
  6. Step 6: Final answer
    x = 11,068.70

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Similar ratio
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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.