Home / 18,190.48-25,103.12-10,231.96

Finding the Fourth Proportional to 18,190.48, 25,103.12 and 10,231.96

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Solution

The fourth proportional to 18,190.48, 25,103.12 and 10,231.96 is: 14,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.48 : 25,103.12 = 10,231.96 : x
  2. Step 2: Convert to fraction form
    18,190.48/25,103.12 = 10,231.96/x
  3. Step 3: Cross multiply
    18,190.48x = 25,103.12 × 10,231.96
  4. Step 4: Simplify right side
    18,190.48x = 256,854,119.72
  5. Step 5: Solve for x
    x = 256,854,119.72/18,190.48
  6. Step 6: Final answer
    x = 14,120.25

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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.