Home / 22,079.39-30,469.82-12,008.08

Finding the Fourth Proportional to 22,079.39, 30,469.82 and 12,008.08

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Solution

The fourth proportional to 22,079.39, 30,469.82 and 12,008.08 is: 16,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,079.39 : 30,469.82 = 12,008.08 : x
  2. Step 2: Convert to fraction form
    22,079.39/30,469.82 = 12,008.08/x
  3. Step 3: Cross multiply
    22,079.39x = 30,469.82 × 12,008.08
  4. Step 4: Simplify right side
    22,079.39x = 365,883,899.93
  5. Step 5: Solve for x
    x = 365,883,899.93/22,079.39
  6. Step 6: Final answer
    x = 16,571.29

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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.