Home / 18,127.82-24,996.15-11,405.23

Finding the Fourth Proportional to 18,127.82, 24,996.15 and 11,405.23

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Solution

The fourth proportional to 18,127.82, 24,996.15 and 11,405.23 is: 15,726.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.82 : 24,996.15 = 11,405.23 : x
  2. Step 2: Convert to fraction form
    18,127.82/24,996.15 = 11,405.23/x
  3. Step 3: Cross multiply
    18,127.82x = 24,996.15 × 11,405.23
  4. Step 4: Simplify right side
    18,127.82x = 285,086,777.37
  5. Step 5: Solve for x
    x = 285,086,777.37/18,127.82
  6. Step 6: Final answer
    x = 15,726.48

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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.