Home / 13,357.22-20,035.71-3,996.97

Finding the Fourth Proportional to 13,357.22, 20,035.71 and 3,996.97

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Solution

The fourth proportional to 13,357.22, 20,035.71 and 3,996.97 is: 5,995.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.22 : 20,035.71 = 3,996.97 : x
  2. Step 2: Convert to fraction form
    13,357.22/20,035.71 = 3,996.97/x
  3. Step 3: Cross multiply
    13,357.22x = 20,035.71 × 3,996.97
  4. Step 4: Simplify right side
    13,357.22x = 80,082,081.71
  5. Step 5: Solve for x
    x = 80,082,081.71/13,357.22
  6. Step 6: Final answer
    x = 5,995.42

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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.