Home / 19,937.27-27,517.41-11,445.13

Finding the Fourth Proportional to 19,937.27, 27,517.41 and 11,445.13

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Solution

The fourth proportional to 19,937.27, 27,517.41 and 11,445.13 is: 15,796.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.27 : 27,517.41 = 11,445.13 : x
  2. Step 2: Convert to fraction form
    19,937.27/27,517.41 = 11,445.13/x
  3. Step 3: Cross multiply
    19,937.27x = 27,517.41 × 11,445.13
  4. Step 4: Simplify right side
    19,937.27x = 314,940,334.71
  5. Step 5: Solve for x
    x = 314,940,334.71/19,937.27
  6. Step 6: Final answer
    x = 15,796.56

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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.