Home / 19,682.00-27,161.66-12,133.31

Finding the Fourth Proportional to 19,682.00, 27,161.66 and 12,133.31

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Solution

The fourth proportional to 19,682.00, 27,161.66 and 12,133.31 is: 16,744.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.00 : 27,161.66 = 12,133.31 : x
  2. Step 2: Convert to fraction form
    19,682.00/27,161.66 = 12,133.31/x
  3. Step 3: Cross multiply
    19,682.00x = 27,161.66 × 12,133.31
  4. Step 4: Simplify right side
    19,682.00x = 329,560,780.23
  5. Step 5: Solve for x
    x = 329,560,780.23/19,682.00
  6. Step 6: Final answer
    x = 16,744.28

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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.