Home / 19,778.23-29,671.97-5,738.60

Finding the Fourth Proportional to 19,778.23, 29,671.97 and 5,738.60

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Solution

The fourth proportional to 19,778.23, 29,671.97 and 5,738.60 is: 8,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778.23 : 29,671.97 = 5,738.60 : x
  2. Step 2: Convert to fraction form
    19,778.23/29,671.97 = 5,738.60/x
  3. Step 3: Cross multiply
    19,778.23x = 29,671.97 × 5,738.60
  4. Step 4: Simplify right side
    19,778.23x = 170,275,477.90
  5. Step 5: Solve for x
    x = 170,275,477.90/19,778.23
  6. Step 6: Final answer
    x = 8,609.24

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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.