Home / 14,893.49-20,553.57-8,179.74

Finding the Fourth Proportional to 14,893.49, 20,553.57 and 8,179.74

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Solution

The fourth proportional to 14,893.49, 20,553.57 and 8,179.74 is: 11,288.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,893.49 : 20,553.57 = 8,179.74 : x
  2. Step 2: Convert to fraction form
    14,893.49/20,553.57 = 8,179.74/x
  3. Step 3: Cross multiply
    14,893.49x = 20,553.57 × 8,179.74
  4. Step 4: Simplify right side
    14,893.49x = 168,122,858.67
  5. Step 5: Solve for x
    x = 168,122,858.67/14,893.49
  6. Step 6: Final answer
    x = 11,288.34

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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.