Home / 18,459.36-27,692.64-5,982.48

Finding the Fourth Proportional to 18,459.36, 27,692.64 and 5,982.48

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Solution

The fourth proportional to 18,459.36, 27,692.64 and 5,982.48 is: 8,974.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,459.36 : 27,692.64 = 5,982.48 : x
  2. Step 2: Convert to fraction form
    18,459.36/27,692.64 = 5,982.48/x
  3. Step 3: Cross multiply
    18,459.36x = 27,692.64 × 5,982.48
  4. Step 4: Simplify right side
    18,459.36x = 165,670,664.95
  5. Step 5: Solve for x
    x = 165,670,664.95/18,459.36
  6. Step 6: Final answer
    x = 8,974.89

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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.