Home / 20,816.67-31,230.14-6,027.09

Finding the Fourth Proportional to 20,816.67, 31,230.14 and 6,027.09

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Solution

The fourth proportional to 20,816.67, 31,230.14 and 6,027.09 is: 9,042.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,816.67 : 31,230.14 = 6,027.09 : x
  2. Step 2: Convert to fraction form
    20,816.67/31,230.14 = 6,027.09/x
  3. Step 3: Cross multiply
    20,816.67x = 31,230.14 × 6,027.09
  4. Step 4: Simplify right side
    20,816.67x = 188,226,717.24
  5. Step 5: Solve for x
    x = 188,226,717.24/20,816.67
  6. Step 6: Final answer
    x = 9,042.11

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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.