Home / 13,839.68-20,754.42-4,952.60

Finding the Fourth Proportional to 13,839.68, 20,754.42 and 4,952.60

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Solution

The fourth proportional to 13,839.68, 20,754.42 and 4,952.60 is: 7,427.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.68 : 20,754.42 = 4,952.60 : x
  2. Step 2: Convert to fraction form
    13,839.68/20,754.42 = 4,952.60/x
  3. Step 3: Cross multiply
    13,839.68x = 20,754.42 × 4,952.60
  4. Step 4: Simplify right side
    13,839.68x = 102,788,236.72
  5. Step 5: Solve for x
    x = 102,788,236.72/13,839.68
  6. Step 6: Final answer
    x = 7,427.07

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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.