Home / 14,431.47-21,651.30-5,550.88

Finding the Fourth Proportional to 14,431.47, 21,651.30 and 5,550.88

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Solution

The fourth proportional to 14,431.47, 21,651.30 and 5,550.88 is: 8,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431.47 : 21,651.30 = 5,550.88 : x
  2. Step 2: Convert to fraction form
    14,431.47/21,651.30 = 5,550.88/x
  3. Step 3: Cross multiply
    14,431.47x = 21,651.30 × 5,550.88
  4. Step 4: Simplify right side
    14,431.47x = 120,183,754.61
  5. Step 5: Solve for x
    x = 120,183,754.61/14,431.47
  6. Step 6: Final answer
    x = 8,327.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.