Home / 19,716.12-29,579.58-9,843.48

Finding the Fourth Proportional to 19,716.12, 29,579.58 and 9,843.48

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Solution

The fourth proportional to 19,716.12, 29,579.58 and 9,843.48 is: 14,767.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716.12 : 29,579.58 = 9,843.48 : x
  2. Step 2: Convert to fraction form
    19,716.12/29,579.58 = 9,843.48/x
  3. Step 3: Cross multiply
    19,716.12x = 29,579.58 × 9,843.48
  4. Step 4: Simplify right side
    19,716.12x = 291,166,004.14
  5. Step 5: Solve for x
    x = 291,166,004.14/19,716.12
  6. Step 6: Final answer
    x = 14,767.92

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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.