Home / 20,467.44-28,215-14,480.64

Finding the Fourth Proportional to 20,467.44, 28,215 and 14,480.64

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Solution

The fourth proportional to 20,467.44, 28,215 and 14,480.64 is: 19,962.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467.44 : 28,215 = 14,480.64 : x
  2. Step 2: Convert to fraction form
    20,467.44/28,215 = 14,480.64/x
  3. Step 3: Cross multiply
    20,467.44x = 28,215 × 14,480.64
  4. Step 4: Simplify right side
    20,467.44x = 408,571,257.60
  5. Step 5: Solve for x
    x = 408,571,257.60/20,467.44
  6. Step 6: Final answer
    x = 19,962.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.