Home / 20,186.25-30,280.46-6,336.33

Finding the Fourth Proportional to 20,186.25, 30,280.46 and 6,336.33

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Solution

The fourth proportional to 20,186.25, 30,280.46 and 6,336.33 is: 9,504.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186.25 : 30,280.46 = 6,336.33 : x
  2. Step 2: Convert to fraction form
    20,186.25/30,280.46 = 6,336.33/x
  3. Step 3: Cross multiply
    20,186.25x = 30,280.46 × 6,336.33
  4. Step 4: Simplify right side
    20,186.25x = 191,866,955.43
  5. Step 5: Solve for x
    x = 191,866,955.43/20,186.25
  6. Step 6: Final answer
    x = 9,504.83

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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.