Home / 20,175.05-30,267.43-6,324.05

Finding the Fourth Proportional to 20,175.05, 30,267.43 and 6,324.05

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Solution

The fourth proportional to 20,175.05, 30,267.43 and 6,324.05 is: 9,487.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.05 : 30,267.43 = 6,324.05 : x
  2. Step 2: Convert to fraction form
    20,175.05/30,267.43 = 6,324.05/x
  3. Step 3: Cross multiply
    20,175.05x = 30,267.43 × 6,324.05
  4. Step 4: Simplify right side
    20,175.05x = 191,412,665.87
  5. Step 5: Solve for x
    x = 191,412,665.87/20,175.05
  6. Step 6: Final answer
    x = 9,487.59

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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.