Home / 19,892.29-27,451.37-10,940.40

Finding the Fourth Proportional to 19,892.29, 27,451.37 and 10,940.40

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Solution

The fourth proportional to 19,892.29, 27,451.37 and 10,940.40 is: 15,097.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.29 : 27,451.37 = 10,940.40 : x
  2. Step 2: Convert to fraction form
    19,892.29/27,451.37 = 10,940.40/x
  3. Step 3: Cross multiply
    19,892.29x = 27,451.37 × 10,940.40
  4. Step 4: Simplify right side
    19,892.29x = 300,328,968.35
  5. Step 5: Solve for x
    x = 300,328,968.35/19,892.29
  6. Step 6: Final answer
    x = 15,097.76

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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.