Home / 14,135.60-21,183.78-6,226.25

Finding the Fourth Proportional to 14,135.60, 21,183.78 and 6,226.25

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Solution

The fourth proportional to 14,135.60, 21,183.78 and 6,226.25 is: 9,330.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.60 : 21,183.78 = 6,226.25 : x
  2. Step 2: Convert to fraction form
    14,135.60/21,183.78 = 6,226.25/x
  3. Step 3: Cross multiply
    14,135.60x = 21,183.78 × 6,226.25
  4. Step 4: Simplify right side
    14,135.60x = 131,895,563.18
  5. Step 5: Solve for x
    x = 131,895,563.18/14,135.60
  6. Step 6: Final answer
    x = 9,330.74

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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.