Home / 13,743.52-20,615.22-4,976.38

Finding the Fourth Proportional to 13,743.52, 20,615.22 and 4,976.38

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Solution

The fourth proportional to 13,743.52, 20,615.22 and 4,976.38 is: 7,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.52 : 20,615.22 = 4,976.38 : x
  2. Step 2: Convert to fraction form
    13,743.52/20,615.22 = 4,976.38/x
  3. Step 3: Cross multiply
    13,743.52x = 20,615.22 × 4,976.38
  4. Step 4: Simplify right side
    13,743.52x = 102,589,116.97
  5. Step 5: Solve for x
    x = 102,589,116.97/13,743.52
  6. Step 6: Final answer
    x = 7,464.55

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1.5x scale

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.