Home / 18,192.44-25,069.20-13,147.76

Finding the Fourth Proportional to 18,192.44, 25,069.20 and 13,147.76

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Solution

The fourth proportional to 18,192.44, 25,069.20 and 13,147.76 is: 18,117.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.44 : 25,069.20 = 13,147.76 : x
  2. Step 2: Convert to fraction form
    18,192.44/25,069.20 = 13,147.76/x
  3. Step 3: Cross multiply
    18,192.44x = 25,069.20 × 13,147.76
  4. Step 4: Simplify right side
    18,192.44x = 329,603,824.99
  5. Step 5: Solve for x
    x = 329,603,824.99/18,192.44
  6. Step 6: Final answer
    x = 18,117.63

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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.