Home / 15,109.67-22,662.68-4,017.20

Finding the Fourth Proportional to 15,109.67, 22,662.68 and 4,017.20

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Solution

The fourth proportional to 15,109.67, 22,662.68 and 4,017.20 is: 6,025.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,109.67 : 22,662.68 = 4,017.20 : x
  2. Step 2: Convert to fraction form
    15,109.67/22,662.68 = 4,017.20/x
  3. Step 3: Cross multiply
    15,109.67x = 22,662.68 × 4,017.20
  4. Step 4: Simplify right side
    15,109.67x = 91,040,584.80
  5. Step 5: Solve for x
    x = 91,040,584.80/15,109.67
  6. Step 6: Final answer
    x = 6,025.32

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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.