Home / 13,268.24-18,310.03-7,299.92

Finding the Fourth Proportional to 13,268.24, 18,310.03 and 7,299.92

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Solution

The fourth proportional to 13,268.24, 18,310.03 and 7,299.92 is: 10,073.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.24 : 18,310.03 = 7,299.92 : x
  2. Step 2: Convert to fraction form
    13,268.24/18,310.03 = 7,299.92/x
  3. Step 3: Cross multiply
    13,268.24x = 18,310.03 × 7,299.92
  4. Step 4: Simplify right side
    13,268.24x = 133,661,754.20
  5. Step 5: Solve for x
    x = 133,661,754.20/13,268.24
  6. Step 6: Final answer
    x = 10,073.81

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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.