Home / 22,420.37-33,625.97-8,377.81

Finding the Fourth Proportional to 22,420.37, 33,625.97 and 8,377.81

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Solution

The fourth proportional to 22,420.37, 33,625.97 and 8,377.81 is: 12,565.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,420.37 : 33,625.97 = 8,377.81 : x
  2. Step 2: Convert to fraction form
    22,420.37/33,625.97 = 8,377.81/x
  3. Step 3: Cross multiply
    22,420.37x = 33,625.97 × 8,377.81
  4. Step 4: Simplify right side
    22,420.37x = 281,711,979.80
  5. Step 5: Solve for x
    x = 281,711,979.80/22,420.37
  6. Step 6: Final answer
    x = 12,565.00

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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.