Home / 19,049.20-28,551.72-11,264.56

Finding the Fourth Proportional to 19,049.20, 28,551.72 and 11,264.56

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Solution

The fourth proportional to 19,049.20, 28,551.72 and 11,264.56 is: 16,883.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,049.20 : 28,551.72 = 11,264.56 : x
  2. Step 2: Convert to fraction form
    19,049.20/28,551.72 = 11,264.56/x
  3. Step 3: Cross multiply
    19,049.20x = 28,551.72 × 11,264.56
  4. Step 4: Simplify right side
    19,049.20x = 321,622,563.04
  5. Step 5: Solve for x
    x = 321,622,563.04/19,049.20
  6. Step 6: Final answer
    x = 16,883.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.