Home / 20,022.39-30,035.63-6,873.05

Finding the Fourth Proportional to 20,022.39, 30,035.63 and 6,873.05

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Solution

The fourth proportional to 20,022.39, 30,035.63 and 6,873.05 is: 10,310.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.39 : 30,035.63 = 6,873.05 : x
  2. Step 2: Convert to fraction form
    20,022.39/30,035.63 = 6,873.05/x
  3. Step 3: Cross multiply
    20,022.39x = 30,035.63 × 6,873.05
  4. Step 4: Simplify right side
    20,022.39x = 206,436,479.04
  5. Step 5: Solve for x
    x = 206,436,479.04/20,022.39
  6. Step 6: Final answer
    x = 10,310.28

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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.