Home / 13,743.44-20,585.88-6,712.64

Finding the Fourth Proportional to 13,743.44, 20,585.88 and 6,712.64

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Solution

The fourth proportional to 13,743.44, 20,585.88 and 6,712.64 is: 10,054.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.44 : 20,585.88 = 6,712.64 : x
  2. Step 2: Convert to fraction form
    13,743.44/20,585.88 = 6,712.64/x
  3. Step 3: Cross multiply
    13,743.44x = 20,585.88 × 6,712.64
  4. Step 4: Simplify right side
    13,743.44x = 138,185,601.52
  5. Step 5: Solve for x
    x = 138,185,601.52/13,743.44
  6. Step 6: Final answer
    x = 10,054.66

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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.