Home / 13,731.39-20,596.88-4,964.15

Finding the Fourth Proportional to 13,731.39, 20,596.88 and 4,964.15

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Solution

The fourth proportional to 13,731.39, 20,596.88 and 4,964.15 is: 7,446.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.39 : 20,596.88 = 4,964.15 : x
  2. Step 2: Convert to fraction form
    13,731.39/20,596.88 = 4,964.15/x
  3. Step 3: Cross multiply
    13,731.39x = 20,596.88 × 4,964.15
  4. Step 4: Simplify right side
    13,731.39x = 102,246,065.75
  5. Step 5: Solve for x
    x = 102,246,065.75/13,731.39
  6. Step 6: Final answer
    x = 7,446.16

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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.