Home / 18,127.44-25,015.56-10,674

Finding the Fourth Proportional to 18,127.44, 25,015.56 and 10,674

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Solution

The fourth proportional to 18,127.44, 25,015.56 and 10,674 is: 14,729.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.44 : 25,015.56 = 10,674 : x
  2. Step 2: Convert to fraction form
    18,127.44/25,015.56 = 10,674/x
  3. Step 3: Cross multiply
    18,127.44x = 25,015.56 × 10,674
  4. Step 4: Simplify right side
    18,127.44x = 267,016,087.44
  5. Step 5: Solve for x
    x = 267,016,087.44/18,127.44
  6. Step 6: Final answer
    x = 14,729.94

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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.