Home / 18,140.06-27,217.08-7,054.56

Finding the Fourth Proportional to 18,140.06, 27,217.08 and 7,054.56

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Solution

The fourth proportional to 18,140.06, 27,217.08 and 7,054.56 is: 10,584.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.06 : 27,217.08 = 7,054.56 : x
  2. Step 2: Convert to fraction form
    18,140.06/27,217.08 = 7,054.56/x
  3. Step 3: Cross multiply
    18,140.06x = 27,217.08 × 7,054.56
  4. Step 4: Simplify right side
    18,140.06x = 192,004,523.88
  5. Step 5: Solve for x
    x = 192,004,523.88/18,140.06
  6. Step 6: Final answer
    x = 10,584.56

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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.