Home / 20,819.22-31,231.92-6,026.30

Finding the Fourth Proportional to 20,819.22, 31,231.92 and 6,026.30

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Solution

The fourth proportional to 20,819.22, 31,231.92 and 6,026.30 is: 9,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,819.22 : 31,231.92 = 6,026.30 : x
  2. Step 2: Convert to fraction form
    20,819.22/31,231.92 = 6,026.30/x
  3. Step 3: Cross multiply
    20,819.22x = 31,231.92 × 6,026.30
  4. Step 4: Simplify right side
    20,819.22x = 188,212,763.34
  5. Step 5: Solve for x
    x = 188,212,763.34/20,819.22
  6. Step 6: Final answer
    x = 9,040.34

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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.