Home / 19,892.47-27,451.41-10,940.08

Finding the Fourth Proportional to 19,892.47, 27,451.41 and 10,940.08

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Solution

The fourth proportional to 19,892.47, 27,451.41 and 10,940.08 is: 15,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.47 : 27,451.41 = 10,940.08 : x
  2. Step 2: Convert to fraction form
    19,892.47/27,451.41 = 10,940.08/x
  3. Step 3: Cross multiply
    19,892.47x = 27,451.41 × 10,940.08
  4. Step 4: Simplify right side
    19,892.47x = 300,320,621.51
  5. Step 5: Solve for x
    x = 300,320,621.51/19,892.47
  6. Step 6: Final answer
    x = 15,097.20

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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.