Home / 14,910.99-20,577.09-8,196.75

Finding the Fourth Proportional to 14,910.99, 20,577.09 and 8,196.75

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Solution

The fourth proportional to 14,910.99, 20,577.09 and 8,196.75 is: 11,311.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.99 : 20,577.09 = 8,196.75 : x
  2. Step 2: Convert to fraction form
    14,910.99/20,577.09 = 8,196.75/x
  3. Step 3: Cross multiply
    14,910.99x = 20,577.09 × 8,196.75
  4. Step 4: Simplify right side
    14,910.99x = 168,665,262.46
  5. Step 5: Solve for x
    x = 168,665,262.46/14,910.99
  6. Step 6: Final answer
    x = 11,311.47

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Double scale
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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.