Home / 19,996.48-29,994.66-11,107.64

Finding the Fourth Proportional to 19,996.48, 29,994.66 and 11,107.64

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Solution

The fourth proportional to 19,996.48, 29,994.66 and 11,107.64 is: 16,661.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.48 : 29,994.66 = 11,107.64 : x
  2. Step 2: Convert to fraction form
    19,996.48/29,994.66 = 11,107.64/x
  3. Step 3: Cross multiply
    19,996.48x = 29,994.66 × 11,107.64
  4. Step 4: Simplify right side
    19,996.48x = 333,169,885.20
  5. Step 5: Solve for x
    x = 333,169,885.20/19,996.48
  6. Step 6: Final answer
    x = 16,661.43

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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.