Home / 14,550.81-21,830.25-5,791.88

Finding the Fourth Proportional to 14,550.81, 21,830.25 and 5,791.88

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Solution

The fourth proportional to 14,550.81, 21,830.25 and 5,791.88 is: 8,689.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.81 : 21,830.25 = 5,791.88 : x
  2. Step 2: Convert to fraction form
    14,550.81/21,830.25 = 5,791.88/x
  3. Step 3: Cross multiply
    14,550.81x = 21,830.25 × 5,791.88
  4. Step 4: Simplify right side
    14,550.81x = 126,438,186.98
  5. Step 5: Solve for x
    x = 126,438,186.98/14,550.81
  6. Step 6: Final answer
    x = 8,689.42

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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.