Home / 16,984.78-25,479.96-5,295.64

Finding the Fourth Proportional to 16,984.78, 25,479.96 and 5,295.64

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Solution

The fourth proportional to 16,984.78, 25,479.96 and 5,295.64 is: 7,944.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,984.78 : 25,479.96 = 5,295.64 : x
  2. Step 2: Convert to fraction form
    16,984.78/25,479.96 = 5,295.64/x
  3. Step 3: Cross multiply
    16,984.78x = 25,479.96 × 5,295.64
  4. Step 4: Simplify right side
    16,984.78x = 134,932,695.37
  5. Step 5: Solve for x
    x = 134,932,695.37/16,984.78
  6. Step 6: Final answer
    x = 7,944.33

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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.