Home / 18,796.54-28,180.23-7,706.02

Finding the Fourth Proportional to 18,796.54, 28,180.23 and 7,706.02

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Solution

The fourth proportional to 18,796.54, 28,180.23 and 7,706.02 is: 11,553.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,796.54 : 28,180.23 = 7,706.02 : x
  2. Step 2: Convert to fraction form
    18,796.54/28,180.23 = 7,706.02/x
  3. Step 3: Cross multiply
    18,796.54x = 28,180.23 × 7,706.02
  4. Step 4: Simplify right side
    18,796.54x = 217,157,415.98
  5. Step 5: Solve for x
    x = 217,157,415.98/18,796.54
  6. Step 6: Final answer
    x = 11,553.05

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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.