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Finding the Fourth Proportional to 18,803.87, 25,950.06 and 10,738.84

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Solution

The fourth proportional to 18,803.87, 25,950.06 and 10,738.84 is: 14,820.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,803.87 : 25,950.06 = 10,738.84 : x
  2. Step 2: Convert to fraction form
    18,803.87/25,950.06 = 10,738.84/x
  3. Step 3: Cross multiply
    18,803.87x = 25,950.06 × 10,738.84
  4. Step 4: Simplify right side
    18,803.87x = 278,673,542.33
  5. Step 5: Solve for x
    x = 278,673,542.33/18,803.87
  6. Step 6: Final answer
    x = 14,820.01

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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.