Home / 13,672.10-20,493.56-9,764.66

Finding the Fourth Proportional to 13,672.10, 20,493.56 and 9,764.66

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Solution

The fourth proportional to 13,672.10, 20,493.56 and 9,764.66 is: 14,636.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,672.10 : 20,493.56 = 9,764.66 : x
  2. Step 2: Convert to fraction form
    13,672.10/20,493.56 = 9,764.66/x
  3. Step 3: Cross multiply
    13,672.10x = 20,493.56 × 9,764.66
  4. Step 4: Simplify right side
    13,672.10x = 200,112,645.59
  5. Step 5: Solve for x
    x = 200,112,645.59/13,672.10
  6. Step 6: Final answer
    x = 14,636.57

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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.