Home / 18,316.73-27,458.60-6,621.75

Finding the Fourth Proportional to 18,316.73, 27,458.60 and 6,621.75

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Solution

The fourth proportional to 18,316.73, 27,458.60 and 6,621.75 is: 9,926.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.73 : 27,458.60 = 6,621.75 : x
  2. Step 2: Convert to fraction form
    18,316.73/27,458.60 = 6,621.75/x
  3. Step 3: Cross multiply
    18,316.73x = 27,458.60 × 6,621.75
  4. Step 4: Simplify right side
    18,316.73x = 181,823,951.44
  5. Step 5: Solve for x
    x = 181,823,951.44/18,316.73
  6. Step 6: Final answer
    x = 9,926.66

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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.