Home / 17,964.13-26,922.96-12,408.61

Finding the Fourth Proportional to 17,964.13, 26,922.96 and 12,408.61

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Solution

The fourth proportional to 17,964.13, 26,922.96 and 12,408.61 is: 18,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,964.13 : 26,922.96 = 12,408.61 : x
  2. Step 2: Convert to fraction form
    17,964.13/26,922.96 = 12,408.61/x
  3. Step 3: Cross multiply
    17,964.13x = 26,922.96 × 12,408.61
  4. Step 4: Simplify right side
    17,964.13x = 334,076,510.69
  5. Step 5: Solve for x
    x = 334,076,510.69/17,964.13
  6. Step 6: Final answer
    x = 18,596.87

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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.