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Finding the Fourth Proportional to 22,144.88, 30,559.93 and 12,208.88

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Solution

The fourth proportional to 22,144.88, 30,559.93 and 12,208.88 is: 16,848.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,144.88 : 30,559.93 = 12,208.88 : x
  2. Step 2: Convert to fraction form
    22,144.88/30,559.93 = 12,208.88/x
  3. Step 3: Cross multiply
    22,144.88x = 30,559.93 × 12,208.88
  4. Step 4: Simplify right side
    22,144.88x = 373,102,334.86
  5. Step 5: Solve for x
    x = 373,102,334.86/22,144.88
  6. Step 6: Final answer
    x = 16,848.25

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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.