Home / 13,660.25-20,496.85-5,764.57

Finding the Fourth Proportional to 13,660.25, 20,496.85 and 5,764.57

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Solution

The fourth proportional to 13,660.25, 20,496.85 and 5,764.57 is: 8,649.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.25 : 20,496.85 = 5,764.57 : x
  2. Step 2: Convert to fraction form
    13,660.25/20,496.85 = 5,764.57/x
  3. Step 3: Cross multiply
    13,660.25x = 20,496.85 × 5,764.57
  4. Step 4: Simplify right side
    13,660.25x = 118,155,460.95
  5. Step 5: Solve for x
    x = 118,155,460.95/13,660.25
  6. Step 6: Final answer
    x = 8,649.59

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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.