Home / 20,451.24-30,680.10-6,597

Finding the Fourth Proportional to 20,451.24, 30,680.10 and 6,597

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Solution

The fourth proportional to 20,451.24, 30,680.10 and 6,597 is: 9,896.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,451.24 : 30,680.10 = 6,597 : x
  2. Step 2: Convert to fraction form
    20,451.24/30,680.10 = 6,597/x
  3. Step 3: Cross multiply
    20,451.24x = 30,680.10 × 6,597
  4. Step 4: Simplify right side
    20,451.24x = 202,396,619.70
  5. Step 5: Solve for x
    x = 202,396,619.70/20,451.24
  6. Step 6: Final answer
    x = 9,896.55

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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.