Home / 18,125.74-25,027.68-11,755.36

Finding the Fourth Proportional to 18,125.74, 25,027.68 and 11,755.36

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Solution

The fourth proportional to 18,125.74, 25,027.68 and 11,755.36 is: 16,231.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.74 : 25,027.68 = 11,755.36 : x
  2. Step 2: Convert to fraction form
    18,125.74/25,027.68 = 11,755.36/x
  3. Step 3: Cross multiply
    18,125.74x = 25,027.68 × 11,755.36
  4. Step 4: Simplify right side
    18,125.74x = 294,209,388.36
  5. Step 5: Solve for x
    x = 294,209,388.36/18,125.74
  6. Step 6: Final answer
    x = 16,231.58

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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.