Home / 19,601.76-29,383.20-9,201.36

Finding the Fourth Proportional to 19,601.76, 29,383.20 and 9,201.36

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Solution

The fourth proportional to 19,601.76, 29,383.20 and 9,201.36 is: 13,792.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,601.76 : 29,383.20 = 9,201.36 : x
  2. Step 2: Convert to fraction form
    19,601.76/29,383.20 = 9,201.36/x
  3. Step 3: Cross multiply
    19,601.76x = 29,383.20 × 9,201.36
  4. Step 4: Simplify right side
    19,601.76x = 270,365,401.15
  5. Step 5: Solve for x
    x = 270,365,401.15/19,601.76
  6. Step 6: Final answer
    x = 13,792.91

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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.