Home / 13,958.72-20,933.60-6,167.36

Finding the Fourth Proportional to 13,958.72, 20,933.60 and 6,167.36

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Solution

The fourth proportional to 13,958.72, 20,933.60 and 6,167.36 is: 9,249.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.72 : 20,933.60 = 6,167.36 : x
  2. Step 2: Convert to fraction form
    13,958.72/20,933.60 = 6,167.36/x
  3. Step 3: Cross multiply
    13,958.72x = 20,933.60 × 6,167.36
  4. Step 4: Simplify right side
    13,958.72x = 129,105,047.30
  5. Step 5: Solve for x
    x = 129,105,047.30/13,958.72
  6. Step 6: Final answer
    x = 9,249.06

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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.