Home / 20,184.24-30,269.88-7,694.85

Finding the Fourth Proportional to 20,184.24, 30,269.88 and 7,694.85

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Solution

The fourth proportional to 20,184.24, 30,269.88 and 7,694.85 is: 11,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.24 : 30,269.88 = 7,694.85 : x
  2. Step 2: Convert to fraction form
    20,184.24/30,269.88 = 7,694.85/x
  3. Step 3: Cross multiply
    20,184.24x = 30,269.88 × 7,694.85
  4. Step 4: Simplify right side
    20,184.24x = 232,922,186.12
  5. Step 5: Solve for x
    x = 232,922,186.12/20,184.24
  6. Step 6: Final answer
    x = 11,539.80

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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.