Home / 14,327.60-19,771.80-8,042

Finding the Fourth Proportional to 14,327.60, 19,771.80 and 8,042

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Solution

The fourth proportional to 14,327.60, 19,771.80 and 8,042 is: 11,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,327.60 : 19,771.80 = 8,042 : x
  2. Step 2: Convert to fraction form
    14,327.60/19,771.80 = 8,042/x
  3. Step 3: Cross multiply
    14,327.60x = 19,771.80 × 8,042
  4. Step 4: Simplify right side
    14,327.60x = 159,004,815.60
  5. Step 5: Solve for x
    x = 159,004,815.60/14,327.60
  6. Step 6: Final answer
    x = 11,097.80

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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.