Home / 19,668.52-27,142.58-10,716.04

Finding the Fourth Proportional to 19,668.52, 27,142.58 and 10,716.04

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Solution

The fourth proportional to 19,668.52, 27,142.58 and 10,716.04 is: 14,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,668.52 : 27,142.58 = 10,716.04 : x
  2. Step 2: Convert to fraction form
    19,668.52/27,142.58 = 10,716.04/x
  3. Step 3: Cross multiply
    19,668.52x = 27,142.58 × 10,716.04
  4. Step 4: Simplify right side
    19,668.52x = 290,860,972.98
  5. Step 5: Solve for x
    x = 290,860,972.98/19,668.52
  6. Step 6: Final answer
    x = 14,788.15

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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.