Home / 14,042.45-19,344.71-12,019.41

Finding the Fourth Proportional to 14,042.45, 19,344.71 and 12,019.41

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Solution

The fourth proportional to 14,042.45, 19,344.71 and 12,019.41 is: 16,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.45 : 19,344.71 = 12,019.41 : x
  2. Step 2: Convert to fraction form
    14,042.45/19,344.71 = 12,019.41/x
  3. Step 3: Cross multiply
    14,042.45x = 19,344.71 × 12,019.41
  4. Step 4: Simplify right side
    14,042.45x = 232,511,940.72
  5. Step 5: Solve for x
    x = 232,511,940.72/14,042.45
  6. Step 6: Final answer
    x = 16,557.80

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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.