Home / 14,239.11-19,659.21-12,744.43

Finding the Fourth Proportional to 14,239.11, 19,659.21 and 12,744.43

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Solution

The fourth proportional to 14,239.11, 19,659.21 and 12,744.43 is: 17,595.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.11 : 19,659.21 = 12,744.43 : x
  2. Step 2: Convert to fraction form
    14,239.11/19,659.21 = 12,744.43/x
  3. Step 3: Cross multiply
    14,239.11x = 19,659.21 × 12,744.43
  4. Step 4: Simplify right side
    14,239.11x = 250,545,361.98
  5. Step 5: Solve for x
    x = 250,545,361.98/14,239.11
  6. Step 6: Final answer
    x = 17,595.58

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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.