Home / 14,183.40-21,224.70-12,354.60

Finding the Fourth Proportional to 14,183.40, 21,224.70 and 12,354.60

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Solution

The fourth proportional to 14,183.40, 21,224.70 and 12,354.60 is: 18,488.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.40 : 21,224.70 = 12,354.60 : x
  2. Step 2: Convert to fraction form
    14,183.40/21,224.70 = 12,354.60/x
  3. Step 3: Cross multiply
    14,183.40x = 21,224.70 × 12,354.60
  4. Step 4: Simplify right side
    14,183.40x = 262,222,678.62
  5. Step 5: Solve for x
    x = 262,222,678.62/14,183.40
  6. Step 6: Final answer
    x = 18,488.00

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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.