Home / 20,161.73-30,254.76-7,023.33

Finding the Fourth Proportional to 20,161.73, 30,254.76 and 7,023.33

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Solution

The fourth proportional to 20,161.73, 30,254.76 and 7,023.33 is: 10,539.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161.73 : 30,254.76 = 7,023.33 : x
  2. Step 2: Convert to fraction form
    20,161.73/30,254.76 = 7,023.33/x
  3. Step 3: Cross multiply
    20,161.73x = 30,254.76 × 7,023.33
  4. Step 4: Simplify right side
    20,161.73x = 212,489,163.55
  5. Step 5: Solve for x
    x = 212,489,163.55/20,161.73
  6. Step 6: Final answer
    x = 10,539.23

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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.