Home / 14,327.38-19,771.72-8,039.76

Finding the Fourth Proportional to 14,327.38, 19,771.72 and 8,039.76

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Solution

The fourth proportional to 14,327.38, 19,771.72 and 8,039.76 is: 11,094.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,327.38 : 19,771.72 = 8,039.76 : x
  2. Step 2: Convert to fraction form
    14,327.38/19,771.72 = 8,039.76/x
  3. Step 3: Cross multiply
    14,327.38x = 19,771.72 × 8,039.76
  4. Step 4: Simplify right side
    14,327.38x = 158,959,883.59
  5. Step 5: Solve for x
    x = 158,959,883.59/14,327.38
  6. Step 6: Final answer
    x = 11,094.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.