Home / 19,892.19-27,451.92-10,940.38

Finding the Fourth Proportional to 19,892.19, 27,451.92 and 10,940.38

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Solution

The fourth proportional to 19,892.19, 27,451.92 and 10,940.38 is: 15,098.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.19 : 27,451.92 = 10,940.38 : x
  2. Step 2: Convert to fraction form
    19,892.19/27,451.92 = 10,940.38/x
  3. Step 3: Cross multiply
    19,892.19x = 27,451.92 × 10,940.38
  4. Step 4: Simplify right side
    19,892.19x = 300,334,436.53
  5. Step 5: Solve for x
    x = 300,334,436.53/19,892.19
  6. Step 6: Final answer
    x = 15,098.11

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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.