Home / 20,398.93-30,591.91-6,544.69

Finding the Fourth Proportional to 20,398.93, 30,591.91 and 6,544.69

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Solution

The fourth proportional to 20,398.93, 30,591.91 and 6,544.69 is: 9,814.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,398.93 : 30,591.91 = 6,544.69 : x
  2. Step 2: Convert to fraction form
    20,398.93/30,591.91 = 6,544.69/x
  3. Step 3: Cross multiply
    20,398.93x = 30,591.91 × 6,544.69
  4. Step 4: Simplify right side
    20,398.93x = 200,214,499.16
  5. Step 5: Solve for x
    x = 200,214,499.16/20,398.93
  6. Step 6: Final answer
    x = 9,814.95

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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.