Home / 22,172.21-30,597.50-12,100.44

Finding the Fourth Proportional to 22,172.21, 30,597.50 and 12,100.44

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Solution

The fourth proportional to 22,172.21, 30,597.50 and 12,100.44 is: 16,698.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.21 : 30,597.50 = 12,100.44 : x
  2. Step 2: Convert to fraction form
    22,172.21/30,597.50 = 12,100.44/x
  3. Step 3: Cross multiply
    22,172.21x = 30,597.50 × 12,100.44
  4. Step 4: Simplify right side
    22,172.21x = 370,243,243.15
  5. Step 5: Solve for x
    x = 370,243,243.15/22,172.21
  6. Step 6: Final answer
    x = 16,698.53

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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.