Home / 22,282.40-33,423.60-8,429.60

Finding the Fourth Proportional to 22,282.40, 33,423.60 and 8,429.60

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Solution

The fourth proportional to 22,282.40, 33,423.60 and 8,429.60 is: 12,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,282.40 : 33,423.60 = 8,429.60 : x
  2. Step 2: Convert to fraction form
    22,282.40/33,423.60 = 8,429.60/x
  3. Step 3: Cross multiply
    22,282.40x = 33,423.60 × 8,429.60
  4. Step 4: Simplify right side
    22,282.40x = 281,747,578.56
  5. Step 5: Solve for x
    x = 281,747,578.56/22,282.40
  6. Step 6: Final answer
    x = 12,644.40

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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.