Home / 18,170.21-27,255.27-5,022.56

Finding the Fourth Proportional to 18,170.21, 27,255.27 and 5,022.56

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Solution

The fourth proportional to 18,170.21, 27,255.27 and 5,022.56 is: 7,533.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.21 : 27,255.27 = 5,022.56 : x
  2. Step 2: Convert to fraction form
    18,170.21/27,255.27 = 5,022.56/x
  3. Step 3: Cross multiply
    18,170.21x = 27,255.27 × 5,022.56
  4. Step 4: Simplify right side
    18,170.21x = 136,891,228.89
  5. Step 5: Solve for x
    x = 136,891,228.89/18,170.21
  6. Step 6: Final answer
    x = 7,533.83

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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.