Home / 13,183.88-19,769.64-4,412.66

Finding the Fourth Proportional to 13,183.88, 19,769.64 and 4,412.66

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Solution

The fourth proportional to 13,183.88, 19,769.64 and 4,412.66 is: 6,616.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.88 : 19,769.64 = 4,412.66 : x
  2. Step 2: Convert to fraction form
    13,183.88/19,769.64 = 4,412.66/x
  3. Step 3: Cross multiply
    13,183.88x = 19,769.64 × 4,412.66
  4. Step 4: Simplify right side
    13,183.88x = 87,236,699.64
  5. Step 5: Solve for x
    x = 87,236,699.64/13,183.88
  6. Step 6: Final answer
    x = 6,616.92

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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.