Home / 13,459.72-20,189.60-6,067.68

Finding the Fourth Proportional to 13,459.72, 20,189.60 and 6,067.68

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Solution

The fourth proportional to 13,459.72, 20,189.60 and 6,067.68 is: 9,101.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.72 : 20,189.60 = 6,067.68 : x
  2. Step 2: Convert to fraction form
    13,459.72/20,189.60 = 6,067.68/x
  3. Step 3: Cross multiply
    13,459.72x = 20,189.60 × 6,067.68
  4. Step 4: Simplify right side
    13,459.72x = 122,504,032.13
  5. Step 5: Solve for x
    x = 122,504,032.13/13,459.72
  6. Step 6: Final answer
    x = 9,101.53

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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.