Home / 13,401.24-20,103.41-5,087.46

Finding the Fourth Proportional to 13,401.24, 20,103.41 and 5,087.46

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Solution

The fourth proportional to 13,401.24, 20,103.41 and 5,087.46 is: 7,631.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401.24 : 20,103.41 = 5,087.46 : x
  2. Step 2: Convert to fraction form
    13,401.24/20,103.41 = 5,087.46/x
  3. Step 3: Cross multiply
    13,401.24x = 20,103.41 × 5,087.46
  4. Step 4: Simplify right side
    13,401.24x = 102,275,294.24
  5. Step 5: Solve for x
    x = 102,275,294.24/13,401.24
  6. Step 6: Final answer
    x = 7,631.78

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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.