Home / 18,141.06-27,218.58-7,055.56

Finding the Fourth Proportional to 18,141.06, 27,218.58 and 7,055.56

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Solution

The fourth proportional to 18,141.06, 27,218.58 and 7,055.56 is: 10,586.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.06 : 27,218.58 = 7,055.56 : x
  2. Step 2: Convert to fraction form
    18,141.06/27,218.58 = 7,055.56/x
  3. Step 3: Cross multiply
    18,141.06x = 27,218.58 × 7,055.56
  4. Step 4: Simplify right side
    18,141.06x = 192,042,324.30
  5. Step 5: Solve for x
    x = 192,042,324.30/18,141.06
  6. Step 6: Final answer
    x = 10,586.06

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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.