Home / 18,127.88-25,016.48-11,055.77

Finding the Fourth Proportional to 18,127.88, 25,016.48 and 11,055.77

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Solution

The fourth proportional to 18,127.88, 25,016.48 and 11,055.77 is: 15,256.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.88 : 25,016.48 = 11,055.77 : x
  2. Step 2: Convert to fraction form
    18,127.88/25,016.48 = 11,055.77/x
  3. Step 3: Cross multiply
    18,127.88x = 25,016.48 × 11,055.77
  4. Step 4: Simplify right side
    18,127.88x = 276,576,268.73
  5. Step 5: Solve for x
    x = 276,576,268.73/18,127.88
  6. Step 6: Final answer
    x = 15,256.96

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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.