Home / 22,245.44-30,696.37-12,684.60

Finding the Fourth Proportional to 22,245.44, 30,696.37 and 12,684.60

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Solution

The fourth proportional to 22,245.44, 30,696.37 and 12,684.60 is: 17,503.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245.44 : 30,696.37 = 12,684.60 : x
  2. Step 2: Convert to fraction form
    22,245.44/30,696.37 = 12,684.60/x
  3. Step 3: Cross multiply
    22,245.44x = 30,696.37 × 12,684.60
  4. Step 4: Simplify right side
    22,245.44x = 389,371,143.19
  5. Step 5: Solve for x
    x = 389,371,143.19/22,245.44
  6. Step 6: Final answer
    x = 17,503.42

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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.