Home / 19,892.48-27,451.80-10,940.04

Finding the Fourth Proportional to 19,892.48, 27,451.80 and 10,940.04

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Solution

The fourth proportional to 19,892.48, 27,451.80 and 10,940.04 is: 15,097.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.48 : 27,451.80 = 10,940.04 : x
  2. Step 2: Convert to fraction form
    19,892.48/27,451.80 = 10,940.04/x
  3. Step 3: Cross multiply
    19,892.48x = 27,451.80 × 10,940.04
  4. Step 4: Simplify right side
    19,892.48x = 300,323,790.07
  5. Step 5: Solve for x
    x = 300,323,790.07/19,892.48
  6. Step 6: Final answer
    x = 15,097.36

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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.