Home / 13,027.22-19,540.55-3,166.55

Finding the Fourth Proportional to 13,027.22, 19,540.55 and 3,166.55

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Solution

The fourth proportional to 13,027.22, 19,540.55 and 3,166.55 is: 4,749.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027.22 : 19,540.55 = 3,166.55 : x
  2. Step 2: Convert to fraction form
    13,027.22/19,540.55 = 3,166.55/x
  3. Step 3: Cross multiply
    13,027.22x = 19,540.55 × 3,166.55
  4. Step 4: Simplify right side
    13,027.22x = 61,876,128.60
  5. Step 5: Solve for x
    x = 61,876,128.60/13,027.22
  6. Step 6: Final answer
    x = 4,749.76

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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.