Home / 14,654.62-21,977.01-4,791.60

Finding the Fourth Proportional to 14,654.62, 21,977.01 and 4,791.60

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Solution

The fourth proportional to 14,654.62, 21,977.01 and 4,791.60 is: 7,185.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.62 : 21,977.01 = 4,791.60 : x
  2. Step 2: Convert to fraction form
    14,654.62/21,977.01 = 4,791.60/x
  3. Step 3: Cross multiply
    14,654.62x = 21,977.01 × 4,791.60
  4. Step 4: Simplify right side
    14,654.62x = 105,305,041.12
  5. Step 5: Solve for x
    x = 105,305,041.12/14,654.62
  6. Step 6: Final answer
    x = 7,185.79

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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.