Home / 18,634.06-27,950.73-7,540.30

Finding the Fourth Proportional to 18,634.06, 27,950.73 and 7,540.30

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Solution

The fourth proportional to 18,634.06, 27,950.73 and 7,540.30 is: 11,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.06 : 27,950.73 = 7,540.30 : x
  2. Step 2: Convert to fraction form
    18,634.06/27,950.73 = 7,540.30/x
  3. Step 3: Cross multiply
    18,634.06x = 27,950.73 × 7,540.30
  4. Step 4: Simplify right side
    18,634.06x = 210,756,889.42
  5. Step 5: Solve for x
    x = 210,756,889.42/18,634.06
  6. Step 6: Final answer
    x = 11,310.30

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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.