Home / 20,250.44-30,376.58-6,209.44

Finding the Fourth Proportional to 20,250.44, 30,376.58 and 6,209.44

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Solution

The fourth proportional to 20,250.44, 30,376.58 and 6,209.44 is: 9,314.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.44 : 30,376.58 = 6,209.44 : x
  2. Step 2: Convert to fraction form
    20,250.44/30,376.58 = 6,209.44/x
  3. Step 3: Cross multiply
    20,250.44x = 30,376.58 × 6,209.44
  4. Step 4: Simplify right side
    20,250.44x = 188,621,550.92
  5. Step 5: Solve for x
    x = 188,621,550.92/20,250.44
  6. Step 6: Final answer
    x = 9,314.44

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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.