Home / 13,725.28-20,583.96-4,958.56

Finding the Fourth Proportional to 13,725.28, 20,583.96 and 4,958.56

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Solution

The fourth proportional to 13,725.28, 20,583.96 and 4,958.56 is: 7,436.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.28 : 20,583.96 = 4,958.56 : x
  2. Step 2: Convert to fraction form
    13,725.28/20,583.96 = 4,958.56/x
  3. Step 3: Cross multiply
    13,725.28x = 20,583.96 × 4,958.56
  4. Step 4: Simplify right side
    13,725.28x = 102,066,800.70
  5. Step 5: Solve for x
    x = 102,066,800.70/13,725.28
  6. Step 6: Final answer
    x = 7,436.41

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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.