Home / 13,274.24-19,912.68-4,509.92

Finding the Fourth Proportional to 13,274.24, 19,912.68 and 4,509.92

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Solution

The fourth proportional to 13,274.24, 19,912.68 and 4,509.92 is: 6,765.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.24 : 19,912.68 = 4,509.92 : x
  2. Step 2: Convert to fraction form
    13,274.24/19,912.68 = 4,509.92/x
  3. Step 3: Cross multiply
    13,274.24x = 19,912.68 × 4,509.92
  4. Step 4: Simplify right side
    13,274.24x = 89,804,593.79
  5. Step 5: Solve for x
    x = 89,804,593.79/13,274.24
  6. Step 6: Final answer
    x = 6,765.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.