Home / 16,857.76-25,287.28-4,377.44

Finding the Fourth Proportional to 16,857.76, 25,287.28 and 4,377.44

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Solution

The fourth proportional to 16,857.76, 25,287.28 and 4,377.44 is: 6,566.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,857.76 : 25,287.28 = 4,377.44 : x
  2. Step 2: Convert to fraction form
    16,857.76/25,287.28 = 4,377.44/x
  3. Step 3: Cross multiply
    16,857.76x = 25,287.28 × 4,377.44
  4. Step 4: Simplify right side
    16,857.76x = 110,693,550.96
  5. Step 5: Solve for x
    x = 110,693,550.96/16,857.76
  6. Step 6: Final answer
    x = 6,566.33

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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.