Home / 13,963.19-19,273.69-8,940.94

Finding the Fourth Proportional to 13,963.19, 19,273.69 and 8,940.94

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Solution

The fourth proportional to 13,963.19, 19,273.69 and 8,940.94 is: 12,341.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.19 : 19,273.69 = 8,940.94 : x
  2. Step 2: Convert to fraction form
    13,963.19/19,273.69 = 8,940.94/x
  3. Step 3: Cross multiply
    13,963.19x = 19,273.69 × 8,940.94
  4. Step 4: Simplify right side
    13,963.19x = 172,324,764.80
  5. Step 5: Solve for x
    x = 172,324,764.80/13,963.19
  6. Step 6: Final answer
    x = 12,341.37

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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.