Home / 18,057.06-27,067.14-6,959.40

Finding the Fourth Proportional to 18,057.06, 27,067.14 and 6,959.40

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Solution

The fourth proportional to 18,057.06, 27,067.14 and 6,959.40 is: 10,431.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057.06 : 27,067.14 = 6,959.40 : x
  2. Step 2: Convert to fraction form
    18,057.06/27,067.14 = 6,959.40/x
  3. Step 3: Cross multiply
    18,057.06x = 27,067.14 × 6,959.40
  4. Step 4: Simplify right side
    18,057.06x = 188,371,054.12
  5. Step 5: Solve for x
    x = 188,371,054.12/18,057.06
  6. Step 6: Final answer
    x = 10,431.99

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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.