Home / 13,708.84-20,512.74-9,694.36

Finding the Fourth Proportional to 13,708.84, 20,512.74 and 9,694.36

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Solution

The fourth proportional to 13,708.84, 20,512.74 and 9,694.36 is: 14,505.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.84 : 20,512.74 = 9,694.36 : x
  2. Step 2: Convert to fraction form
    13,708.84/20,512.74 = 9,694.36/x
  3. Step 3: Cross multiply
    13,708.84x = 20,512.74 × 9,694.36
  4. Step 4: Simplify right side
    13,708.84x = 198,857,886.15
  5. Step 5: Solve for x
    x = 198,857,886.15/13,708.84
  6. Step 6: Final answer
    x = 14,505.81

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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.