Home / 19,940.52-27,517.06-11,436.74

Finding the Fourth Proportional to 19,940.52, 27,517.06 and 11,436.74

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Solution

The fourth proportional to 19,940.52, 27,517.06 and 11,436.74 is: 15,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940.52 : 27,517.06 = 11,436.74 : x
  2. Step 2: Convert to fraction form
    19,940.52/27,517.06 = 11,436.74/x
  3. Step 3: Cross multiply
    19,940.52x = 27,517.06 × 11,436.74
  4. Step 4: Simplify right side
    19,940.52x = 314,705,460.78
  5. Step 5: Solve for x
    x = 314,705,460.78/19,940.52
  6. Step 6: Final answer
    x = 15,782.21

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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.