Home / 20,191.05-30,238.38-16,003.35

Finding the Fourth Proportional to 20,191.05, 30,238.38 and 16,003.35

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Solution

The fourth proportional to 20,191.05, 30,238.38 and 16,003.35 is: 23,966.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191.05 : 30,238.38 = 16,003.35 : x
  2. Step 2: Convert to fraction form
    20,191.05/30,238.38 = 16,003.35/x
  3. Step 3: Cross multiply
    20,191.05x = 30,238.38 × 16,003.35
  4. Step 4: Simplify right side
    20,191.05x = 483,915,378.57
  5. Step 5: Solve for x
    x = 483,915,378.57/20,191.05
  6. Step 6: Final answer
    x = 23,966.83

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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.