Home / 20,616.85-30,923.71-6,576.31

Finding the Fourth Proportional to 20,616.85, 30,923.71 and 6,576.31

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Solution

The fourth proportional to 20,616.85, 30,923.71 and 6,576.31 is: 9,863.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,616.85 : 30,923.71 = 6,576.31 : x
  2. Step 2: Convert to fraction form
    20,616.85/30,923.71 = 6,576.31/x
  3. Step 3: Cross multiply
    20,616.85x = 30,923.71 × 6,576.31
  4. Step 4: Simplify right side
    20,616.85x = 203,363,903.31
  5. Step 5: Solve for x
    x = 203,363,903.31/20,616.85
  6. Step 6: Final answer
    x = 9,863.97

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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.