Home / 14,183.20-19,572.60-7,895.20

Finding the Fourth Proportional to 14,183.20, 19,572.60 and 7,895.20

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Solution

The fourth proportional to 14,183.20, 19,572.60 and 7,895.20 is: 10,895.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.20 : 19,572.60 = 7,895.20 : x
  2. Step 2: Convert to fraction form
    14,183.20/19,572.60 = 7,895.20/x
  3. Step 3: Cross multiply
    14,183.20x = 19,572.60 × 7,895.20
  4. Step 4: Simplify right side
    14,183.20x = 154,529,591.52
  5. Step 5: Solve for x
    x = 154,529,591.52/14,183.20
  6. Step 6: Final answer
    x = 10,895.26

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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.