Home / 20,114.20-30,200.10-11,366.20

Finding the Fourth Proportional to 20,114.20, 30,200.10 and 11,366.20

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Solution

The fourth proportional to 20,114.20, 30,200.10 and 11,366.20 is: 17,065.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,114.20 : 30,200.10 = 11,366.20 : x
  2. Step 2: Convert to fraction form
    20,114.20/30,200.10 = 11,366.20/x
  3. Step 3: Cross multiply
    20,114.20x = 30,200.10 × 11,366.20
  4. Step 4: Simplify right side
    20,114.20x = 343,260,376.62
  5. Step 5: Solve for x
    x = 343,260,376.62/20,114.20
  6. Step 6: Final answer
    x = 17,065.57

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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.