Home / 20,023.11-29,993.61-11,239.59

Finding the Fourth Proportional to 20,023.11, 29,993.61 and 11,239.59

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Solution

The fourth proportional to 20,023.11, 29,993.61 and 11,239.59 is: 16,836.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.11 : 29,993.61 = 11,239.59 : x
  2. Step 2: Convert to fraction form
    20,023.11/29,993.61 = 11,239.59/x
  3. Step 3: Cross multiply
    20,023.11x = 29,993.61 × 11,239.59
  4. Step 4: Simplify right side
    20,023.11x = 337,115,879.02
  5. Step 5: Solve for x
    x = 337,115,879.02/20,023.11
  6. Step 6: Final answer
    x = 16,836.34

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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.