Home / 19,622.44-29,401.02-11,815.24

Finding the Fourth Proportional to 19,622.44, 29,401.02 and 11,815.24

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Solution

The fourth proportional to 19,622.44, 29,401.02 and 11,815.24 is: 17,703.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.44 : 29,401.02 = 11,815.24 : x
  2. Step 2: Convert to fraction form
    19,622.44/29,401.02 = 11,815.24/x
  3. Step 3: Cross multiply
    19,622.44x = 29,401.02 × 11,815.24
  4. Step 4: Simplify right side
    19,622.44x = 347,380,107.54
  5. Step 5: Solve for x
    x = 347,380,107.54/19,622.44
  6. Step 6: Final answer
    x = 17,703.21

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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.