Home / 13,601.27-18,769.73-7,633.49

Finding the Fourth Proportional to 13,601.27, 18,769.73 and 7,633.49

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Solution

The fourth proportional to 13,601.27, 18,769.73 and 7,633.49 is: 10,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.27 : 18,769.73 = 7,633.49 : x
  2. Step 2: Convert to fraction form
    13,601.27/18,769.73 = 7,633.49/x
  3. Step 3: Cross multiply
    13,601.27x = 18,769.73 × 7,633.49
  4. Step 4: Simplify right side
    13,601.27x = 143,278,546.26
  5. Step 5: Solve for x
    x = 143,278,546.26/13,601.27
  6. Step 6: Final answer
    x = 10,534.20

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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.