Home / 19,754.87-27,267.09-11,261.46

Finding the Fourth Proportional to 19,754.87, 27,267.09 and 11,261.46

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Solution

The fourth proportional to 19,754.87, 27,267.09 and 11,261.46 is: 15,543.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,754.87 : 27,267.09 = 11,261.46 : x
  2. Step 2: Convert to fraction form
    19,754.87/27,267.09 = 11,261.46/x
  3. Step 3: Cross multiply
    19,754.87x = 27,267.09 × 11,261.46
  4. Step 4: Simplify right side
    19,754.87x = 307,067,243.35
  5. Step 5: Solve for x
    x = 307,067,243.35/19,754.87
  6. Step 6: Final answer
    x = 15,543.88

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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.