Home / 13,696.09-20,544.54-10,731.76

Finding the Fourth Proportional to 13,696.09, 20,544.54 and 10,731.76

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Solution

The fourth proportional to 13,696.09, 20,544.54 and 10,731.76 is: 16,097.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696.09 : 20,544.54 = 10,731.76 : x
  2. Step 2: Convert to fraction form
    13,696.09/20,544.54 = 10,731.76/x
  3. Step 3: Cross multiply
    13,696.09x = 20,544.54 × 10,731.76
  4. Step 4: Simplify right side
    13,696.09x = 220,479,072.59
  5. Step 5: Solve for x
    x = 220,479,072.59/13,696.09
  6. Step 6: Final answer
    x = 16,097.96

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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.