Home / 19,078.74-28,618.25-5,930.82

Finding the Fourth Proportional to 19,078.74, 28,618.25 and 5,930.82

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Solution

The fourth proportional to 19,078.74, 28,618.25 and 5,930.82 is: 8,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,078.74 : 28,618.25 = 5,930.82 : x
  2. Step 2: Convert to fraction form
    19,078.74/28,618.25 = 5,930.82/x
  3. Step 3: Cross multiply
    19,078.74x = 28,618.25 × 5,930.82
  4. Step 4: Simplify right side
    19,078.74x = 169,729,659.81
  5. Step 5: Solve for x
    x = 169,729,659.81/19,078.74
  6. Step 6: Final answer
    x = 8,896.27

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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.