Home / 13,983.76-19,297.72-7,696.26

Finding the Fourth Proportional to 13,983.76, 19,297.72 and 7,696.26

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Solution

The fourth proportional to 13,983.76, 19,297.72 and 7,696.26 is: 10,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.76 : 19,297.72 = 7,696.26 : x
  2. Step 2: Convert to fraction form
    13,983.76/19,297.72 = 7,696.26/x
  3. Step 3: Cross multiply
    13,983.76x = 19,297.72 × 7,696.26
  4. Step 4: Simplify right side
    13,983.76x = 148,520,270.53
  5. Step 5: Solve for x
    x = 148,520,270.53/13,983.76
  6. Step 6: Final answer
    x = 10,620.91

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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.