Home / 20,012.64-27,604.08-12,046.56

Finding the Fourth Proportional to 20,012.64, 27,604.08 and 12,046.56

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Solution

The fourth proportional to 20,012.64, 27,604.08 and 12,046.56 is: 16,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012.64 : 27,604.08 = 12,046.56 : x
  2. Step 2: Convert to fraction form
    20,012.64/27,604.08 = 12,046.56/x
  3. Step 3: Cross multiply
    20,012.64x = 27,604.08 × 12,046.56
  4. Step 4: Simplify right side
    20,012.64x = 332,534,205.96
  5. Step 5: Solve for x
    x = 332,534,205.96/20,012.64
  6. Step 6: Final answer
    x = 16,616.21

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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.