Home / 13,401.74-20,104.16-5,087.97

Finding the Fourth Proportional to 13,401.74, 20,104.16 and 5,087.97

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Solution

The fourth proportional to 13,401.74, 20,104.16 and 5,087.97 is: 7,632.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401.74 : 20,104.16 = 5,087.97 : x
  2. Step 2: Convert to fraction form
    13,401.74/20,104.16 = 5,087.97/x
  3. Step 3: Cross multiply
    13,401.74x = 20,104.16 × 5,087.97
  4. Step 4: Simplify right side
    13,401.74x = 102,289,337.52
  5. Step 5: Solve for x
    x = 102,289,337.52/13,401.74
  6. Step 6: Final answer
    x = 7,632.54

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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.