Home / 14,480.44-19,983.12-8,512.36

Finding the Fourth Proportional to 14,480.44, 19,983.12 and 8,512.36

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Solution

The fourth proportional to 14,480.44, 19,983.12 and 8,512.36 is: 11,747.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.44 : 19,983.12 = 8,512.36 : x
  2. Step 2: Convert to fraction form
    14,480.44/19,983.12 = 8,512.36/x
  3. Step 3: Cross multiply
    14,480.44x = 19,983.12 × 8,512.36
  4. Step 4: Simplify right side
    14,480.44x = 170,103,511.36
  5. Step 5: Solve for x
    x = 170,103,511.36/14,480.44
  6. Step 6: Final answer
    x = 11,747.12

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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.