Home / 14,657.85-21,986.82-3,564.57

Finding the Fourth Proportional to 14,657.85, 21,986.82 and 3,564.57

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Solution

The fourth proportional to 14,657.85, 21,986.82 and 3,564.57 is: 5,346.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,657.85 : 21,986.82 = 3,564.57 : x
  2. Step 2: Convert to fraction form
    14,657.85/21,986.82 = 3,564.57/x
  3. Step 3: Cross multiply
    14,657.85x = 21,986.82 × 3,564.57
  4. Step 4: Simplify right side
    14,657.85x = 78,373,558.97
  5. Step 5: Solve for x
    x = 78,373,558.97/14,657.85
  6. Step 6: Final answer
    x = 5,346.87

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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.