Home / 12,232.27-18,245.56-11,111.09

Finding the Fourth Proportional to 12,232.27, 18,245.56 and 11,111.09

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Solution

The fourth proportional to 12,232.27, 18,245.56 and 11,111.09 is: 16,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.27 : 18,245.56 = 11,111.09 : x
  2. Step 2: Convert to fraction form
    12,232.27/18,245.56 = 11,111.09/x
  3. Step 3: Cross multiply
    12,232.27x = 18,245.56 × 11,111.09
  4. Step 4: Simplify right side
    12,232.27x = 202,728,059.26
  5. Step 5: Solve for x
    x = 202,728,059.26/12,232.27
  6. Step 6: Final answer
    x = 16,573.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.