Home / 20,590.61-30,874.87-6,546.83

Finding the Fourth Proportional to 20,590.61, 30,874.87 and 6,546.83

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Solution

The fourth proportional to 20,590.61, 30,874.87 and 6,546.83 is: 9,816.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,590.61 : 30,874.87 = 6,546.83 : x
  2. Step 2: Convert to fraction form
    20,590.61/30,874.87 = 6,546.83/x
  3. Step 3: Cross multiply
    20,590.61x = 30,874.87 × 6,546.83
  4. Step 4: Simplify right side
    20,590.61x = 202,132,378.97
  5. Step 5: Solve for x
    x = 202,132,378.97/20,590.61
  6. Step 6: Final answer
    x = 9,816.73

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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.