Home / 16,747.36-25,126.52-6,891.28

Finding the Fourth Proportional to 16,747.36, 25,126.52 and 6,891.28

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Solution

The fourth proportional to 16,747.36, 25,126.52 and 6,891.28 is: 10,339.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,747.36 : 25,126.52 = 6,891.28 : x
  2. Step 2: Convert to fraction form
    16,747.36/25,126.52 = 6,891.28/x
  3. Step 3: Cross multiply
    16,747.36x = 25,126.52 × 6,891.28
  4. Step 4: Simplify right side
    16,747.36x = 173,153,884.75
  5. Step 5: Solve for x
    x = 173,153,884.75/16,747.36
  6. Step 6: Final answer
    x = 10,339.17

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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.