Home / 18,150.85-27,230.05-5,670.37

Finding the Fourth Proportional to 18,150.85, 27,230.05 and 5,670.37

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Solution

The fourth proportional to 18,150.85, 27,230.05 and 5,670.37 is: 8,506.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.85 : 27,230.05 = 5,670.37 : x
  2. Step 2: Convert to fraction form
    18,150.85/27,230.05 = 5,670.37/x
  3. Step 3: Cross multiply
    18,150.85x = 27,230.05 × 5,670.37
  4. Step 4: Simplify right side
    18,150.85x = 154,404,397.63
  5. Step 5: Solve for x
    x = 154,404,397.63/18,150.85
  6. Step 6: Final answer
    x = 8,506.73

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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.