Home / 13,733.43-20,581.91-7,157.85

Finding the Fourth Proportional to 13,733.43, 20,581.91 and 7,157.85

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Solution

The fourth proportional to 13,733.43, 20,581.91 and 7,157.85 is: 10,727.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.43 : 20,581.91 = 7,157.85 : x
  2. Step 2: Convert to fraction form
    13,733.43/20,581.91 = 7,157.85/x
  3. Step 3: Cross multiply
    13,733.43x = 20,581.91 × 7,157.85
  4. Step 4: Simplify right side
    13,733.43x = 147,322,224.49
  5. Step 5: Solve for x
    x = 147,322,224.49/13,733.43
  6. Step 6: Final answer
    x = 10,727.27

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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.