Home / 16,789.16-25,181.78-4,309.28

Finding the Fourth Proportional to 16,789.16, 25,181.78 and 4,309.28

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Solution

The fourth proportional to 16,789.16, 25,181.78 and 4,309.28 is: 6,463.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789.16 : 25,181.78 = 4,309.28 : x
  2. Step 2: Convert to fraction form
    16,789.16/25,181.78 = 4,309.28/x
  3. Step 3: Cross multiply
    16,789.16x = 25,181.78 × 4,309.28
  4. Step 4: Simplify right side
    16,789.16x = 108,515,193.46
  5. Step 5: Solve for x
    x = 108,515,193.46/16,789.16
  6. Step 6: Final answer
    x = 6,463.41

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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.