Home / 13,926.36-20,892.24-4,065.72

Finding the Fourth Proportional to 13,926.36, 20,892.24 and 4,065.72

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Solution

The fourth proportional to 13,926.36, 20,892.24 and 4,065.72 is: 6,099.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.36 : 20,892.24 = 4,065.72 : x
  2. Step 2: Convert to fraction form
    13,926.36/20,892.24 = 4,065.72/x
  3. Step 3: Cross multiply
    13,926.36x = 20,892.24 × 4,065.72
  4. Step 4: Simplify right side
    13,926.36x = 84,941,998.01
  5. Step 5: Solve for x
    x = 84,941,998.01/13,926.36
  6. Step 6: Final answer
    x = 6,099.37

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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.