Home / 20,074.07-30,115.22-6,924.73

Finding the Fourth Proportional to 20,074.07, 30,115.22 and 6,924.73

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Solution

The fourth proportional to 20,074.07, 30,115.22 and 6,924.73 is: 10,388.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.07 : 30,115.22 = 6,924.73 : x
  2. Step 2: Convert to fraction form
    20,074.07/30,115.22 = 6,924.73/x
  3. Step 3: Cross multiply
    20,074.07x = 30,115.22 × 6,924.73
  4. Step 4: Simplify right side
    20,074.07x = 208,539,767.39
  5. Step 5: Solve for x
    x = 208,539,767.39/20,074.07
  6. Step 6: Final answer
    x = 10,388.51

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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.