Home / 14,660.85-21,991.32-3,567.54

Finding the Fourth Proportional to 14,660.85, 21,991.32 and 3,567.54

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Solution

The fourth proportional to 14,660.85, 21,991.32 and 3,567.54 is: 5,351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.85 : 21,991.32 = 3,567.54 : x
  2. Step 2: Convert to fraction form
    14,660.85/21,991.32 = 3,567.54/x
  3. Step 3: Cross multiply
    14,660.85x = 21,991.32 × 3,567.54
  4. Step 4: Simplify right side
    14,660.85x = 78,454,913.75
  5. Step 5: Solve for x
    x = 78,454,913.75/14,660.85
  6. Step 6: Final answer
    x = 5,351.32

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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.