Home / 13,672.87-20,501.20-6,173.35

Finding the Fourth Proportional to 13,672.87, 20,501.20 and 6,173.35

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Solution

The fourth proportional to 13,672.87, 20,501.20 and 6,173.35 is: 9,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,672.87 : 20,501.20 = 6,173.35 : x
  2. Step 2: Convert to fraction form
    13,672.87/20,501.20 = 6,173.35/x
  3. Step 3: Cross multiply
    13,672.87x = 20,501.20 × 6,173.35
  4. Step 4: Simplify right side
    13,672.87x = 126,561,083.02
  5. Step 5: Solve for x
    x = 126,561,083.02/13,672.87
  6. Step 6: Final answer
    x = 9,256.37

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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.