Home / 19,892.51-27,451.47-10,940.39

Finding the Fourth Proportional to 19,892.51, 27,451.47 and 10,940.39

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Solution

The fourth proportional to 19,892.51, 27,451.47 and 10,940.39 is: 15,097.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.51 : 27,451.47 = 10,940.39 : x
  2. Step 2: Convert to fraction form
    19,892.51/27,451.47 = 10,940.39/x
  3. Step 3: Cross multiply
    19,892.51x = 27,451.47 × 10,940.39
  4. Step 4: Simplify right side
    19,892.51x = 300,329,712.53
  5. Step 5: Solve for x
    x = 300,329,712.53/19,892.51
  6. Step 6: Final answer
    x = 15,097.63

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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.