Home / 13,862.52-20,748.60-10,163.94

Finding the Fourth Proportional to 13,862.52, 20,748.60 and 10,163.94

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Solution

The fourth proportional to 13,862.52, 20,748.60 and 10,163.94 is: 15,212.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.52 : 20,748.60 = 10,163.94 : x
  2. Step 2: Convert to fraction form
    13,862.52/20,748.60 = 10,163.94/x
  3. Step 3: Cross multiply
    13,862.52x = 20,748.60 × 10,163.94
  4. Step 4: Simplify right side
    13,862.52x = 210,887,525.48
  5. Step 5: Solve for x
    x = 210,887,525.48/13,862.52
  6. Step 6: Final answer
    x = 15,212.78

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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.