Home / 18,455.73-27,666.60-7,359.75

Finding the Fourth Proportional to 18,455.73, 27,666.60 and 7,359.75

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Solution

The fourth proportional to 18,455.73, 27,666.60 and 7,359.75 is: 11,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.73 : 27,666.60 = 7,359.75 : x
  2. Step 2: Convert to fraction form
    18,455.73/27,666.60 = 7,359.75/x
  3. Step 3: Cross multiply
    18,455.73x = 27,666.60 × 7,359.75
  4. Step 4: Simplify right side
    18,455.73x = 203,619,259.35
  5. Step 5: Solve for x
    x = 203,619,259.35/18,455.73
  6. Step 6: Final answer
    x = 11,032.85

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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.