Home / 18,566.06-27,850.05-5,419.44

Finding the Fourth Proportional to 18,566.06, 27,850.05 and 5,419.44

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Solution

The fourth proportional to 18,566.06, 27,850.05 and 5,419.44 is: 8,129.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,566.06 : 27,850.05 = 5,419.44 : x
  2. Step 2: Convert to fraction form
    18,566.06/27,850.05 = 5,419.44/x
  3. Step 3: Cross multiply
    18,566.06x = 27,850.05 × 5,419.44
  4. Step 4: Simplify right side
    18,566.06x = 150,931,674.97
  5. Step 5: Solve for x
    x = 150,931,674.97/18,566.06
  6. Step 6: Final answer
    x = 8,129.44

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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.