Home / 16,927.20-25,388.40-5,241.60

Finding the Fourth Proportional to 16,927.20, 25,388.40 and 5,241.60

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Solution

The fourth proportional to 16,927.20, 25,388.40 and 5,241.60 is: 7,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,927.20 : 25,388.40 = 5,241.60 : x
  2. Step 2: Convert to fraction form
    16,927.20/25,388.40 = 5,241.60/x
  3. Step 3: Cross multiply
    16,927.20x = 25,388.40 × 5,241.60
  4. Step 4: Simplify right side
    16,927.20x = 133,075,837.44
  5. Step 5: Solve for x
    x = 133,075,837.44/16,927.20
  6. Step 6: Final answer
    x = 7,861.66

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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.