Home / 18,982.40-28,468.67-5,652.27

Finding the Fourth Proportional to 18,982.40, 28,468.67 and 5,652.27

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Solution

The fourth proportional to 18,982.40, 28,468.67 and 5,652.27 is: 8,476.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.40 : 28,468.67 = 5,652.27 : x
  2. Step 2: Convert to fraction form
    18,982.40/28,468.67 = 5,652.27/x
  3. Step 3: Cross multiply
    18,982.40x = 28,468.67 × 5,652.27
  4. Step 4: Simplify right side
    18,982.40x = 160,912,581.12
  5. Step 5: Solve for x
    x = 160,912,581.12/18,982.40
  6. Step 6: Final answer
    x = 8,476.94

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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.