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Finding the Fourth Proportional to 12,196.58, 18,259.22 and 11,029.26

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Solution

The fourth proportional to 12,196.58, 18,259.22 and 11,029.26 is: 16,511.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,196.58 : 18,259.22 = 11,029.26 : x
  2. Step 2: Convert to fraction form
    12,196.58/18,259.22 = 11,029.26/x
  3. Step 3: Cross multiply
    12,196.58x = 18,259.22 × 11,029.26
  4. Step 4: Simplify right side
    12,196.58x = 201,385,780.82
  5. Step 5: Solve for x
    x = 201,385,780.82/12,196.58
  6. Step 6: Final answer
    x = 16,511.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.