Home / 17,126.37-25,695.09-5,439.69

Finding the Fourth Proportional to 17,126.37, 25,695.09 and 5,439.69

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Solution

The fourth proportional to 17,126.37, 25,695.09 and 5,439.69 is: 8,161.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,126.37 : 25,695.09 = 5,439.69 : x
  2. Step 2: Convert to fraction form
    17,126.37/25,695.09 = 5,439.69/x
  3. Step 3: Cross multiply
    17,126.37x = 25,695.09 × 5,439.69
  4. Step 4: Simplify right side
    17,126.37x = 139,773,324.12
  5. Step 5: Solve for x
    x = 139,773,324.12/17,126.37
  6. Step 6: Final answer
    x = 8,161.29

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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.