Home / 14,370.54-21,555.21-3,982.02

Finding the Fourth Proportional to 14,370.54, 21,555.21 and 3,982.02

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Solution

The fourth proportional to 14,370.54, 21,555.21 and 3,982.02 is: 5,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.54 : 21,555.21 = 3,982.02 : x
  2. Step 2: Convert to fraction form
    14,370.54/21,555.21 = 3,982.02/x
  3. Step 3: Cross multiply
    14,370.54x = 21,555.21 × 3,982.02
  4. Step 4: Simplify right side
    14,370.54x = 85,833,277.32
  5. Step 5: Solve for x
    x = 85,833,277.32/14,370.54
  6. Step 6: Final answer
    x = 5,972.86

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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.