Home / 13,224.53-19,915.97-12,043.55

Finding the Fourth Proportional to 13,224.53, 19,915.97 and 12,043.55

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Solution

The fourth proportional to 13,224.53, 19,915.97 and 12,043.55 is: 18,137.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.53 : 19,915.97 = 12,043.55 : x
  2. Step 2: Convert to fraction form
    13,224.53/19,915.97 = 12,043.55/x
  3. Step 3: Cross multiply
    13,224.53x = 19,915.97 × 12,043.55
  4. Step 4: Simplify right side
    13,224.53x = 239,858,820.70
  5. Step 5: Solve for x
    x = 239,858,820.70/13,224.53
  6. Step 6: Final answer
    x = 18,137.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.