Home / 18,217.72-27,330.24-5,739.67

Finding the Fourth Proportional to 18,217.72, 27,330.24 and 5,739.67

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Solution

The fourth proportional to 18,217.72, 27,330.24 and 5,739.67 is: 8,610.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.72 : 27,330.24 = 5,739.67 : x
  2. Step 2: Convert to fraction form
    18,217.72/27,330.24 = 5,739.67/x
  3. Step 3: Cross multiply
    18,217.72x = 27,330.24 × 5,739.67
  4. Step 4: Simplify right side
    18,217.72x = 156,866,558.62
  5. Step 5: Solve for x
    x = 156,866,558.62/18,217.72
  6. Step 6: Final answer
    x = 8,610.66

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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.