Home / 13,696.79-20,537.27-5,367.06

Finding the Fourth Proportional to 13,696.79, 20,537.27 and 5,367.06

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Solution

The fourth proportional to 13,696.79, 20,537.27 and 5,367.06 is: 8,047.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696.79 : 20,537.27 = 5,367.06 : x
  2. Step 2: Convert to fraction form
    13,696.79/20,537.27 = 5,367.06/x
  3. Step 3: Cross multiply
    13,696.79x = 20,537.27 × 5,367.06
  4. Step 4: Simplify right side
    13,696.79x = 110,224,733.49
  5. Step 5: Solve for x
    x = 110,224,733.49/13,696.79
  6. Step 6: Final answer
    x = 8,047.49

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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.