Home / 16,942.56-25,416.96-5,253

Finding the Fourth Proportional to 16,942.56, 25,416.96 and 5,253

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Solution

The fourth proportional to 16,942.56, 25,416.96 and 5,253 is: 7,880.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,942.56 : 25,416.96 = 5,253 : x
  2. Step 2: Convert to fraction form
    16,942.56/25,416.96 = 5,253/x
  3. Step 3: Cross multiply
    16,942.56x = 25,416.96 × 5,253
  4. Step 4: Simplify right side
    16,942.56x = 133,515,290.88
  5. Step 5: Solve for x
    x = 133,515,290.88/16,942.56
  6. Step 6: Final answer
    x = 7,880.47

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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.