Home / 20,022.10-30,033.75-6,874.27

Finding the Fourth Proportional to 20,022.10, 30,033.75 and 6,874.27

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Solution

The fourth proportional to 20,022.10, 30,033.75 and 6,874.27 is: 10,311.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.10 : 30,033.75 = 6,874.27 : x
  2. Step 2: Convert to fraction form
    20,022.10/30,033.75 = 6,874.27/x
  3. Step 3: Cross multiply
    20,022.10x = 30,033.75 × 6,874.27
  4. Step 4: Simplify right side
    20,022.10x = 206,460,106.61
  5. Step 5: Solve for x
    x = 206,460,106.61/20,022.10
  6. Step 6: Final answer
    x = 10,311.61

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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.