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Finding the Fourth Proportional to 15,230.00, 21,021.21 and 12,193.27

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Solution

The fourth proportional to 15,230.00, 21,021.21 and 12,193.27 is: 16,829.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,230.00 : 21,021.21 = 12,193.27 : x
  2. Step 2: Convert to fraction form
    15,230.00/21,021.21 = 12,193.27/x
  3. Step 3: Cross multiply
    15,230.00x = 21,021.21 × 12,193.27
  4. Step 4: Simplify right side
    15,230.00x = 256,317,236.70
  5. Step 5: Solve for x
    x = 256,317,236.70/15,230.00
  6. Step 6: Final answer
    x = 16,829.76

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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.