Home / 18,179.20-25,087.98-11,011.48

Finding the Fourth Proportional to 18,179.20, 25,087.98 and 11,011.48

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Solution

The fourth proportional to 18,179.20, 25,087.98 and 11,011.48 is: 15,196.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.20 : 25,087.98 = 11,011.48 : x
  2. Step 2: Convert to fraction form
    18,179.20/25,087.98 = 11,011.48/x
  3. Step 3: Cross multiply
    18,179.20x = 25,087.98 × 11,011.48
  4. Step 4: Simplify right side
    18,179.20x = 276,255,790.01
  5. Step 5: Solve for x
    x = 276,255,790.01/18,179.20
  6. Step 6: Final answer
    x = 15,196.26

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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.