Home / 13,805.37-19,054.85-8,504.73

Finding the Fourth Proportional to 13,805.37, 19,054.85 and 8,504.73

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Solution

The fourth proportional to 13,805.37, 19,054.85 and 8,504.73 is: 11,738.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,805.37 : 19,054.85 = 8,504.73 : x
  2. Step 2: Convert to fraction form
    13,805.37/19,054.85 = 8,504.73/x
  3. Step 3: Cross multiply
    13,805.37x = 19,054.85 × 8,504.73
  4. Step 4: Simplify right side
    13,805.37x = 162,056,311.92
  5. Step 5: Solve for x
    x = 162,056,311.92/13,805.37
  6. Step 6: Final answer
    x = 11,738.64

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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.