Home / 14,183.50-21,268.10-8,262.30

Finding the Fourth Proportional to 14,183.50, 21,268.10 and 8,262.30

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Solution

The fourth proportional to 14,183.50, 21,268.10 and 8,262.30 is: 12,389.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.50 : 21,268.10 = 8,262.30 : x
  2. Step 2: Convert to fraction form
    14,183.50/21,268.10 = 8,262.30/x
  3. Step 3: Cross multiply
    14,183.50x = 21,268.10 × 8,262.30
  4. Step 4: Simplify right side
    14,183.50x = 175,723,422.63
  5. Step 5: Solve for x
    x = 175,723,422.63/14,183.50
  6. Step 6: Final answer
    x = 12,389.28

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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.