Home / 19,611.18-27,064.03-12,061.95

Finding the Fourth Proportional to 19,611.18, 27,064.03 and 12,061.95

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Solution

The fourth proportional to 19,611.18, 27,064.03 and 12,061.95 is: 16,645.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.18 : 27,064.03 = 12,061.95 : x
  2. Step 2: Convert to fraction form
    19,611.18/27,064.03 = 12,061.95/x
  3. Step 3: Cross multiply
    19,611.18x = 27,064.03 × 12,061.95
  4. Step 4: Simplify right side
    19,611.18x = 326,444,976.66
  5. Step 5: Solve for x
    x = 326,444,976.66/19,611.18
  6. Step 6: Final answer
    x = 16,645.86

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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.