Home / 20,122.24-30,186.60-6,268

Finding the Fourth Proportional to 20,122.24, 30,186.60 and 6,268

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Solution

The fourth proportional to 20,122.24, 30,186.60 and 6,268 is: 9,403.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,122.24 : 30,186.60 = 6,268 : x
  2. Step 2: Convert to fraction form
    20,122.24/30,186.60 = 6,268/x
  3. Step 3: Cross multiply
    20,122.24x = 30,186.60 × 6,268
  4. Step 4: Simplify right side
    20,122.24x = 189,209,608.80
  5. Step 5: Solve for x
    x = 189,209,608.80/20,122.24
  6. Step 6: Final answer
    x = 9,403.01

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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.