Home / 16,255.55-24,388.24-11,520.87

Finding the Fourth Proportional to 16,255.55, 24,388.24 and 11,520.87

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Solution

The fourth proportional to 16,255.55, 24,388.24 and 11,520.87 is: 17,284.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,255.55 : 24,388.24 = 11,520.87 : x
  2. Step 2: Convert to fraction form
    16,255.55/24,388.24 = 11,520.87/x
  3. Step 3: Cross multiply
    16,255.55x = 24,388.24 × 11,520.87
  4. Step 4: Simplify right side
    16,255.55x = 280,973,726.81
  5. Step 5: Solve for x
    x = 280,973,726.81/16,255.55
  6. Step 6: Final answer
    x = 17,284.79

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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.