Home / 18,795.06-28,187.12-6,313.68

Finding the Fourth Proportional to 18,795.06, 28,187.12 and 6,313.68

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Solution

The fourth proportional to 18,795.06, 28,187.12 and 6,313.68 is: 9,468.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.06 : 28,187.12 = 6,313.68 : x
  2. Step 2: Convert to fraction form
    18,795.06/28,187.12 = 6,313.68/x
  3. Step 3: Cross multiply
    18,795.06x = 28,187.12 × 6,313.68
  4. Step 4: Simplify right side
    18,795.06x = 177,964,455.80
  5. Step 5: Solve for x
    x = 177,964,455.80/18,795.06
  6. Step 6: Final answer
    x = 9,468.68

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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.