Home / 30,425.83-41,982.52-16,997.20

Finding the Fourth Proportional to 30,425.83, 41,982.52 and 16,997.20

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Solution

The fourth proportional to 30,425.83, 41,982.52 and 16,997.20 is: 23,453.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,425.83 : 41,982.52 = 16,997.20 : x
  2. Step 2: Convert to fraction form
    30,425.83/41,982.52 = 16,997.20/x
  3. Step 3: Cross multiply
    30,425.83x = 41,982.52 × 16,997.20
  4. Step 4: Simplify right side
    30,425.83x = 713,585,173.36
  5. Step 5: Solve for x
    x = 713,585,173.36/30,425.83
  6. Step 6: Final answer
    x = 23,453.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.