Home / 18,202.52-27,284.34-12,992.60

Finding the Fourth Proportional to 18,202.52, 27,284.34 and 12,992.60

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Solution

The fourth proportional to 18,202.52, 27,284.34 and 12,992.60 is: 19,475.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202.52 : 27,284.34 = 12,992.60 : x
  2. Step 2: Convert to fraction form
    18,202.52/27,284.34 = 12,992.60/x
  3. Step 3: Cross multiply
    18,202.52x = 27,284.34 × 12,992.60
  4. Step 4: Simplify right side
    18,202.52x = 354,494,632.82
  5. Step 5: Solve for x
    x = 354,494,632.82/18,202.52
  6. Step 6: Final answer
    x = 19,475.03

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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.