Home / 19,778.93-29,662.19-5,739.92

Finding the Fourth Proportional to 19,778.93, 29,662.19 and 5,739.92

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Solution

The fourth proportional to 19,778.93, 29,662.19 and 5,739.92 is: 8,608.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778.93 : 29,662.19 = 5,739.92 : x
  2. Step 2: Convert to fraction form
    19,778.93/29,662.19 = 5,739.92/x
  3. Step 3: Cross multiply
    19,778.93x = 29,662.19 × 5,739.92
  4. Step 4: Simplify right side
    19,778.93x = 170,258,752.51
  5. Step 5: Solve for x
    x = 170,258,752.51/19,778.93
  6. Step 6: Final answer
    x = 8,608.09

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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.