Home / 19,893.03-27,451.75-10,940.51

Finding the Fourth Proportional to 19,893.03, 27,451.75 and 10,940.51

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Solution

The fourth proportional to 19,893.03, 27,451.75 and 10,940.51 is: 15,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,893.03 : 27,451.75 = 10,940.51 : x
  2. Step 2: Convert to fraction form
    19,893.03/27,451.75 = 10,940.51/x
  3. Step 3: Cross multiply
    19,893.03x = 27,451.75 × 10,940.51
  4. Step 4: Simplify right side
    19,893.03x = 300,336,049.41
  5. Step 5: Solve for x
    x = 300,336,049.41/19,893.03
  6. Step 6: Final answer
    x = 15,097.55

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1.5x scale

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.