Home / 14,910.48-20,577.24-8,450.28

Finding the Fourth Proportional to 14,910.48, 20,577.24 and 8,450.28

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Solution

The fourth proportional to 14,910.48, 20,577.24 and 8,450.28 is: 11,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.48 : 20,577.24 = 8,450.28 : x
  2. Step 2: Convert to fraction form
    14,910.48/20,577.24 = 8,450.28/x
  3. Step 3: Cross multiply
    14,910.48x = 20,577.24 × 8,450.28
  4. Step 4: Simplify right side
    14,910.48x = 173,883,439.63
  5. Step 5: Solve for x
    x = 173,883,439.63/14,910.48
  6. Step 6: Final answer
    x = 11,661.83

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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.