Home / 13,474.24-20,199.06-11,407.54

Finding the Fourth Proportional to 13,474.24, 20,199.06 and 11,407.54

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Solution

The fourth proportional to 13,474.24, 20,199.06 and 11,407.54 is: 17,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.24 : 20,199.06 = 11,407.54 : x
  2. Step 2: Convert to fraction form
    13,474.24/20,199.06 = 11,407.54/x
  3. Step 3: Cross multiply
    13,474.24x = 20,199.06 × 11,407.54
  4. Step 4: Simplify right side
    13,474.24x = 230,421,584.91
  5. Step 5: Solve for x
    x = 230,421,584.91/13,474.24
  6. Step 6: Final answer
    x = 17,100.90

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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.