Home / 13,265.91-18,296.75-8,233.11

Finding the Fourth Proportional to 13,265.91, 18,296.75 and 8,233.11

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Solution

The fourth proportional to 13,265.91, 18,296.75 and 8,233.11 is: 11,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.91 : 18,296.75 = 8,233.11 : x
  2. Step 2: Convert to fraction form
    13,265.91/18,296.75 = 8,233.11/x
  3. Step 3: Cross multiply
    13,265.91x = 18,296.75 × 8,233.11
  4. Step 4: Simplify right side
    13,265.91x = 150,639,175.98
  5. Step 5: Solve for x
    x = 150,639,175.98/13,265.91
  6. Step 6: Final answer
    x = 11,355.36

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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.