Home / 16,786.23-25,179.39-5,099.55

Finding the Fourth Proportional to 16,786.23, 25,179.39 and 5,099.55

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Solution

The fourth proportional to 16,786.23, 25,179.39 and 5,099.55 is: 7,649.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786.23 : 25,179.39 = 5,099.55 : x
  2. Step 2: Convert to fraction form
    16,786.23/25,179.39 = 5,099.55/x
  3. Step 3: Cross multiply
    16,786.23x = 25,179.39 × 5,099.55
  4. Step 4: Simplify right side
    16,786.23x = 128,403,558.27
  5. Step 5: Solve for x
    x = 128,403,558.27/16,786.23
  6. Step 6: Final answer
    x = 7,649.34

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Double scale
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Similar ratio
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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.