Home / 22,261.62-33,404.73-12,406.45

Finding the Fourth Proportional to 22,261.62, 33,404.73 and 12,406.45

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Solution

The fourth proportional to 22,261.62, 33,404.73 and 12,406.45 is: 18,616.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,261.62 : 33,404.73 = 12,406.45 : x
  2. Step 2: Convert to fraction form
    22,261.62/33,404.73 = 12,406.45/x
  3. Step 3: Cross multiply
    22,261.62x = 33,404.73 × 12,406.45
  4. Step 4: Simplify right side
    22,261.62x = 414,434,080.00
  5. Step 5: Solve for x
    x = 414,434,080.00/22,261.62
  6. Step 6: Final answer
    x = 18,616.53

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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.