Home / 22,275.72-33,400.62-8,425.80

Finding the Fourth Proportional to 22,275.72, 33,400.62 and 8,425.80

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Solution

The fourth proportional to 22,275.72, 33,400.62 and 8,425.80 is: 12,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,275.72 : 33,400.62 = 8,425.80 : x
  2. Step 2: Convert to fraction form
    22,275.72/33,400.62 = 8,425.80/x
  3. Step 3: Cross multiply
    22,275.72x = 33,400.62 × 8,425.80
  4. Step 4: Simplify right side
    22,275.72x = 281,426,944.00
  5. Step 5: Solve for x
    x = 281,426,944.00/22,275.72
  6. Step 6: Final answer
    x = 12,633.80

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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.