Home / 13,757.14-20,641.18-4,398.60

Finding the Fourth Proportional to 13,757.14, 20,641.18 and 4,398.60

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Solution

The fourth proportional to 13,757.14, 20,641.18 and 4,398.60 is: 6,599.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757.14 : 20,641.18 = 4,398.60 : x
  2. Step 2: Convert to fraction form
    13,757.14/20,641.18 = 4,398.60/x
  3. Step 3: Cross multiply
    13,757.14x = 20,641.18 × 4,398.60
  4. Step 4: Simplify right side
    13,757.14x = 90,792,369.00
  5. Step 5: Solve for x
    x = 90,792,369.00/13,757.14
  6. Step 6: Final answer
    x = 6,599.65

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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.