Home / 13,309.56-19,936.26-8,028.09

Finding the Fourth Proportional to 13,309.56, 19,936.26 and 8,028.09

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Solution

The fourth proportional to 13,309.56, 19,936.26 and 8,028.09 is: 12,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309.56 : 19,936.26 = 8,028.09 : x
  2. Step 2: Convert to fraction form
    13,309.56/19,936.26 = 8,028.09/x
  3. Step 3: Cross multiply
    13,309.56x = 19,936.26 × 8,028.09
  4. Step 4: Simplify right side
    13,309.56x = 160,050,089.54
  5. Step 5: Solve for x
    x = 160,050,089.54/13,309.56
  6. Step 6: Final answer
    x = 12,025.20

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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.