Home / 18,678.73-28,008.56-6,194.30

Finding the Fourth Proportional to 18,678.73, 28,008.56 and 6,194.30

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Solution

The fourth proportional to 18,678.73, 28,008.56 and 6,194.30 is: 9,288.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,678.73 : 28,008.56 = 6,194.30 : x
  2. Step 2: Convert to fraction form
    18,678.73/28,008.56 = 6,194.30/x
  3. Step 3: Cross multiply
    18,678.73x = 28,008.56 × 6,194.30
  4. Step 4: Simplify right side
    18,678.73x = 173,493,360.00
  5. Step 5: Solve for x
    x = 173,493,360.00/18,678.73
  6. Step 6: Final answer
    x = 9,288.29

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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.