Home / 13,926.24-20,883.74-5,161.86

Finding the Fourth Proportional to 13,926.24, 20,883.74 and 5,161.86

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Solution

The fourth proportional to 13,926.24, 20,883.74 and 5,161.86 is: 7,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.24 : 20,883.74 = 5,161.86 : x
  2. Step 2: Convert to fraction form
    13,926.24/20,883.74 = 5,161.86/x
  3. Step 3: Cross multiply
    13,926.24x = 20,883.74 × 5,161.86
  4. Step 4: Simplify right side
    13,926.24x = 107,798,916.35
  5. Step 5: Solve for x
    x = 107,798,916.35/13,926.24
  6. Step 6: Final answer
    x = 7,740.71

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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.