Home / 18,161.82-25,065.63-11,086.74

Finding the Fourth Proportional to 18,161.82, 25,065.63 and 11,086.74

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Solution

The fourth proportional to 18,161.82, 25,065.63 and 11,086.74 is: 15,301.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.82 : 25,065.63 = 11,086.74 : x
  2. Step 2: Convert to fraction form
    18,161.82/25,065.63 = 11,086.74/x
  3. Step 3: Cross multiply
    18,161.82x = 25,065.63 × 11,086.74
  4. Step 4: Simplify right side
    18,161.82x = 277,896,122.75
  5. Step 5: Solve for x
    x = 277,896,122.75/18,161.82
  6. Step 6: Final answer
    x = 15,301.12

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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.