Home / 16,781.70-25,172.44-5,696.20

Finding the Fourth Proportional to 16,781.70, 25,172.44 and 5,696.20

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Solution

The fourth proportional to 16,781.70, 25,172.44 and 5,696.20 is: 8,544.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.70 : 25,172.44 = 5,696.20 : x
  2. Step 2: Convert to fraction form
    16,781.70/25,172.44 = 5,696.20/x
  3. Step 3: Cross multiply
    16,781.70x = 25,172.44 × 5,696.20
  4. Step 4: Simplify right side
    16,781.70x = 143,387,252.73
  5. Step 5: Solve for x
    x = 143,387,252.73/16,781.70
  6. Step 6: Final answer
    x = 8,544.26

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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.