Home / 18,200.88-25,117.32-11,028.44

Finding the Fourth Proportional to 18,200.88, 25,117.32 and 11,028.44

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Solution

The fourth proportional to 18,200.88, 25,117.32 and 11,028.44 is: 15,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.88 : 25,117.32 = 11,028.44 : x
  2. Step 2: Convert to fraction form
    18,200.88/25,117.32 = 11,028.44/x
  3. Step 3: Cross multiply
    18,200.88x = 25,117.32 × 11,028.44
  4. Step 4: Simplify right side
    18,200.88x = 277,004,730.99
  5. Step 5: Solve for x
    x = 277,004,730.99/18,200.88
  6. Step 6: Final answer
    x = 15,219.30

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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.