Home / 13,746.26-18,968.24-7,696.85

Finding the Fourth Proportional to 13,746.26, 18,968.24 and 7,696.85

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Solution

The fourth proportional to 13,746.26, 18,968.24 and 7,696.85 is: 10,620.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.26 : 18,968.24 = 7,696.85 : x
  2. Step 2: Convert to fraction form
    13,746.26/18,968.24 = 7,696.85/x
  3. Step 3: Cross multiply
    13,746.26x = 18,968.24 × 7,696.85
  4. Step 4: Simplify right side
    13,746.26x = 145,995,564.72
  5. Step 5: Solve for x
    x = 145,995,564.72/13,746.26
  6. Step 6: Final answer
    x = 10,620.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.