Home / 18,540.16-27,812.14-6,850.66

Finding the Fourth Proportional to 18,540.16, 27,812.14 and 6,850.66

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Solution

The fourth proportional to 18,540.16, 27,812.14 and 6,850.66 is: 10,276.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.16 : 27,812.14 = 6,850.66 : x
  2. Step 2: Convert to fraction form
    18,540.16/27,812.14 = 6,850.66/x
  3. Step 3: Cross multiply
    18,540.16x = 27,812.14 × 6,850.66
  4. Step 4: Simplify right side
    18,540.16x = 190,531,515.01
  5. Step 5: Solve for x
    x = 190,531,515.01/18,540.16
  6. Step 6: Final answer
    x = 10,276.69

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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.