Home / 18,738.56-25,856.72-12,033.26

Finding the Fourth Proportional to 18,738.56, 25,856.72 and 12,033.26

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Solution

The fourth proportional to 18,738.56, 25,856.72 and 12,033.26 is: 16,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.56 : 25,856.72 = 12,033.26 : x
  2. Step 2: Convert to fraction form
    18,738.56/25,856.72 = 12,033.26/x
  3. Step 3: Cross multiply
    18,738.56x = 25,856.72 × 12,033.26
  4. Step 4: Simplify right side
    18,738.56x = 311,140,638.98
  5. Step 5: Solve for x
    x = 311,140,638.98/18,738.56
  6. Step 6: Final answer
    x = 16,604.30

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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.