Home / 13,957.56-20,936.34-3,568.50

Finding the Fourth Proportional to 13,957.56, 20,936.34 and 3,568.50

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Solution

The fourth proportional to 13,957.56, 20,936.34 and 3,568.50 is: 5,352.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.56 : 20,936.34 = 3,568.50 : x
  2. Step 2: Convert to fraction form
    13,957.56/20,936.34 = 3,568.50/x
  3. Step 3: Cross multiply
    13,957.56x = 20,936.34 × 3,568.50
  4. Step 4: Simplify right side
    13,957.56x = 74,711,329.29
  5. Step 5: Solve for x
    x = 74,711,329.29/13,957.56
  6. Step 6: Final answer
    x = 5,352.75

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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.