Home / 17,121.45-25,636.02-11,183.63

Finding the Fourth Proportional to 17,121.45, 25,636.02 and 11,183.63

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Solution

The fourth proportional to 17,121.45, 25,636.02 and 11,183.63 is: 16,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121.45 : 25,636.02 = 11,183.63 : x
  2. Step 2: Convert to fraction form
    17,121.45/25,636.02 = 11,183.63/x
  3. Step 3: Cross multiply
    17,121.45x = 25,636.02 × 11,183.63
  4. Step 4: Simplify right side
    17,121.45x = 286,703,762.35
  5. Step 5: Solve for x
    x = 286,703,762.35/17,121.45
  6. Step 6: Final answer
    x = 16,745.30

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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.