Home / 20,252.99-27,940.47-12,694.17

Finding the Fourth Proportional to 20,252.99, 27,940.47 and 12,694.17

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Solution

The fourth proportional to 20,252.99, 27,940.47 and 12,694.17 is: 17,512.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.99 : 27,940.47 = 12,694.17 : x
  2. Step 2: Convert to fraction form
    20,252.99/27,940.47 = 12,694.17/x
  3. Step 3: Cross multiply
    20,252.99x = 27,940.47 × 12,694.17
  4. Step 4: Simplify right side
    20,252.99x = 354,681,076.06
  5. Step 5: Solve for x
    x = 354,681,076.06/20,252.99
  6. Step 6: Final answer
    x = 17,512.53

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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.