Home / 20,806.70-31,214.10-6,016.10

Finding the Fourth Proportional to 20,806.70, 31,214.10 and 6,016.10

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Solution

The fourth proportional to 20,806.70, 31,214.10 and 6,016.10 is: 9,025.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,806.70 : 31,214.10 = 6,016.10 : x
  2. Step 2: Convert to fraction form
    20,806.70/31,214.10 = 6,016.10/x
  3. Step 3: Cross multiply
    20,806.70x = 31,214.10 × 6,016.10
  4. Step 4: Simplify right side
    20,806.70x = 187,787,147.01
  5. Step 5: Solve for x
    x = 187,787,147.01/20,806.70
  6. Step 6: Final answer
    x = 9,025.32

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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.