Home / 22,686.64-34,009.00-12,163.98

Finding the Fourth Proportional to 22,686.64, 34,009.00 and 12,163.98

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Solution

The fourth proportional to 22,686.64, 34,009.00 and 12,163.98 is: 18,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,686.64 : 34,009.00 = 12,163.98 : x
  2. Step 2: Convert to fraction form
    22,686.64/34,009.00 = 12,163.98/x
  3. Step 3: Cross multiply
    22,686.64x = 34,009.00 × 12,163.98
  4. Step 4: Simplify right side
    22,686.64x = 413,684,701.64
  5. Step 5: Solve for x
    x = 413,684,701.64/22,686.64
  6. Step 6: Final answer
    x = 18,234.73

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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.