Home / 18,186.72-25,091.82-11,014.34

Finding the Fourth Proportional to 18,186.72, 25,091.82 and 11,014.34

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Solution

The fourth proportional to 18,186.72, 25,091.82 and 11,014.34 is: 15,196.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186.72 : 25,091.82 = 11,014.34 : x
  2. Step 2: Convert to fraction form
    18,186.72/25,091.82 = 11,014.34/x
  3. Step 3: Cross multiply
    18,186.72x = 25,091.82 × 11,014.34
  4. Step 4: Simplify right side
    18,186.72x = 276,369,836.70
  5. Step 5: Solve for x
    x = 276,369,836.70/18,186.72
  6. Step 6: Final answer
    x = 15,196.24

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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.