Home / 18,189.14-25,100.75-10,231.37

Finding the Fourth Proportional to 18,189.14, 25,100.75 and 10,231.37

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Solution

The fourth proportional to 18,189.14, 25,100.75 and 10,231.37 is: 14,119.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189.14 : 25,100.75 = 10,231.37 : x
  2. Step 2: Convert to fraction form
    18,189.14/25,100.75 = 10,231.37/x
  3. Step 3: Cross multiply
    18,189.14x = 25,100.75 × 10,231.37
  4. Step 4: Simplify right side
    18,189.14x = 256,814,883.87
  5. Step 5: Solve for x
    x = 256,814,883.87/18,189.14
  6. Step 6: Final answer
    x = 14,119.14

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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.