Home / 13,764.24-20,639.37-5,863.70

Finding the Fourth Proportional to 13,764.24, 20,639.37 and 5,863.70

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Solution

The fourth proportional to 13,764.24, 20,639.37 and 5,863.70 is: 8,792.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.24 : 20,639.37 = 5,863.70 : x
  2. Step 2: Convert to fraction form
    13,764.24/20,639.37 = 5,863.70/x
  3. Step 3: Cross multiply
    13,764.24x = 20,639.37 × 5,863.70
  4. Step 4: Simplify right side
    13,764.24x = 121,023,073.87
  5. Step 5: Solve for x
    x = 121,023,073.87/13,764.24
  6. Step 6: Final answer
    x = 8,792.57

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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.