Home / 16,997.36-25,498.20-5,311.28

Finding the Fourth Proportional to 16,997.36, 25,498.20 and 5,311.28

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Solution

The fourth proportional to 16,997.36, 25,498.20 and 5,311.28 is: 7,967.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,997.36 : 25,498.20 = 5,311.28 : x
  2. Step 2: Convert to fraction form
    16,997.36/25,498.20 = 5,311.28/x
  3. Step 3: Cross multiply
    16,997.36x = 25,498.20 × 5,311.28
  4. Step 4: Simplify right side
    16,997.36x = 135,428,079.70
  5. Step 5: Solve for x
    x = 135,428,079.70/16,997.36
  6. Step 6: Final answer
    x = 7,967.59

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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.