Home / 13,487.26-20,238.99-10,723.54

Finding the Fourth Proportional to 13,487.26, 20,238.99 and 10,723.54

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Solution

The fourth proportional to 13,487.26, 20,238.99 and 10,723.54 is: 16,091.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.26 : 20,238.99 = 10,723.54 : x
  2. Step 2: Convert to fraction form
    13,487.26/20,238.99 = 10,723.54/x
  3. Step 3: Cross multiply
    13,487.26x = 20,238.99 × 10,723.54
  4. Step 4: Simplify right side
    13,487.26x = 217,033,618.82
  5. Step 5: Solve for x
    x = 217,033,618.82/13,487.26
  6. Step 6: Final answer
    x = 16,091.75

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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.