Home / 18,964.83-28,450.58-6,481.92

Finding the Fourth Proportional to 18,964.83, 28,450.58 and 6,481.92

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Solution

The fourth proportional to 18,964.83, 28,450.58 and 6,481.92 is: 9,724.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.83 : 28,450.58 = 6,481.92 : x
  2. Step 2: Convert to fraction form
    18,964.83/28,450.58 = 6,481.92/x
  3. Step 3: Cross multiply
    18,964.83x = 28,450.58 × 6,481.92
  4. Step 4: Simplify right side
    18,964.83x = 184,414,383.51
  5. Step 5: Solve for x
    x = 184,414,383.51/18,964.83
  6. Step 6: Final answer
    x = 9,724.02

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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.