Home / 18,626.67-27,930.69-5,974.74

Finding the Fourth Proportional to 18,626.67, 27,930.69 and 5,974.74

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Solution

The fourth proportional to 18,626.67, 27,930.69 and 5,974.74 is: 8,959.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626.67 : 27,930.69 = 5,974.74 : x
  2. Step 2: Convert to fraction form
    18,626.67/27,930.69 = 5,974.74/x
  3. Step 3: Cross multiply
    18,626.67x = 27,930.69 × 5,974.74
  4. Step 4: Simplify right side
    18,626.67x = 166,878,610.77
  5. Step 5: Solve for x
    x = 166,878,610.77/18,626.67
  6. Step 6: Final answer
    x = 8,959.12

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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.