Home / 15,003.82-22,515.68-6,238.72

Finding the Fourth Proportional to 15,003.82, 22,515.68 and 6,238.72

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Solution

The fourth proportional to 15,003.82, 22,515.68 and 6,238.72 is: 9,362.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,003.82 : 22,515.68 = 6,238.72 : x
  2. Step 2: Convert to fraction form
    15,003.82/22,515.68 = 6,238.72/x
  3. Step 3: Cross multiply
    15,003.82x = 22,515.68 × 6,238.72
  4. Step 4: Simplify right side
    15,003.82x = 140,469,023.13
  5. Step 5: Solve for x
    x = 140,469,023.13/15,003.82
  6. Step 6: Final answer
    x = 9,362.22

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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.