Home / 13,906.24-20,862.48-4,672

Finding the Fourth Proportional to 13,906.24, 20,862.48 and 4,672

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Solution

The fourth proportional to 13,906.24, 20,862.48 and 4,672 is: 7,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.24 : 20,862.48 = 4,672 : x
  2. Step 2: Convert to fraction form
    13,906.24/20,862.48 = 4,672/x
  3. Step 3: Cross multiply
    13,906.24x = 20,862.48 × 4,672
  4. Step 4: Simplify right side
    13,906.24x = 97,469,506.56
  5. Step 5: Solve for x
    x = 97,469,506.56/13,906.24
  6. Step 6: Final answer
    x = 7,009.05

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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.