Home / 20,074.24-30,115.77-6,746.74

Finding the Fourth Proportional to 20,074.24, 30,115.77 and 6,746.74

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Solution

The fourth proportional to 20,074.24, 30,115.77 and 6,746.74 is: 10,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.24 : 30,115.77 = 6,746.74 : x
  2. Step 2: Convert to fraction form
    20,074.24/30,115.77 = 6,746.74/x
  3. Step 3: Cross multiply
    20,074.24x = 30,115.77 × 6,746.74
  4. Step 4: Simplify right side
    20,074.24x = 203,183,270.09
  5. Step 5: Solve for x
    x = 203,183,270.09/20,074.24
  6. Step 6: Final answer
    x = 10,121.59

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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.