Home / 12,932.88-19,397.21-4,611.66

Finding the Fourth Proportional to 12,932.88, 19,397.21 and 4,611.66

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Solution

The fourth proportional to 12,932.88, 19,397.21 and 4,611.66 is: 6,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.88 : 19,397.21 = 4,611.66 : x
  2. Step 2: Convert to fraction form
    12,932.88/19,397.21 = 4,611.66/x
  3. Step 3: Cross multiply
    12,932.88x = 19,397.21 × 4,611.66
  4. Step 4: Simplify right side
    12,932.88x = 89,453,314.41
  5. Step 5: Solve for x
    x = 89,453,314.41/12,932.88
  6. Step 6: Final answer
    x = 6,916.74

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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.