Home / 20,410.24-30,586.14-11,627

Finding the Fourth Proportional to 20,410.24, 30,586.14 and 11,627

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Solution

The fourth proportional to 20,410.24, 30,586.14 and 11,627 is: 17,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,410.24 : 30,586.14 = 11,627 : x
  2. Step 2: Convert to fraction form
    20,410.24/30,586.14 = 11,627/x
  3. Step 3: Cross multiply
    20,410.24x = 30,586.14 × 11,627
  4. Step 4: Simplify right side
    20,410.24x = 355,625,049.78
  5. Step 5: Solve for x
    x = 355,625,049.78/20,410.24
  6. Step 6: Final answer
    x = 17,423.85

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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.