Home / 22,183.49-30,611.59-12,112.13

Finding the Fourth Proportional to 22,183.49, 30,611.59 and 12,112.13

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Solution

The fourth proportional to 22,183.49, 30,611.59 and 12,112.13 is: 16,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,183.49 : 30,611.59 = 12,112.13 : x
  2. Step 2: Convert to fraction form
    22,183.49/30,611.59 = 12,112.13/x
  3. Step 3: Cross multiply
    22,183.49x = 30,611.59 × 12,112.13
  4. Step 4: Simplify right side
    22,183.49x = 370,771,374.25
  5. Step 5: Solve for x
    x = 370,771,374.25/22,183.49
  6. Step 6: Final answer
    x = 16,713.85

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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.