Home / 13,743.39-20,615.03-4,976.25

Finding the Fourth Proportional to 13,743.39, 20,615.03 and 4,976.25

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Solution

The fourth proportional to 13,743.39, 20,615.03 and 4,976.25 is: 7,464.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.39 : 20,615.03 = 4,976.25 : x
  2. Step 2: Convert to fraction form
    13,743.39/20,615.03 = 4,976.25/x
  3. Step 3: Cross multiply
    13,743.39x = 20,615.03 × 4,976.25
  4. Step 4: Simplify right side
    13,743.39x = 102,585,607.02
  5. Step 5: Solve for x
    x = 102,585,607.02/13,743.39
  6. Step 6: Final answer
    x = 7,464.36

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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.