Home / 14,183.88-21,279.23-4,322.56

Finding the Fourth Proportional to 14,183.88, 21,279.23 and 4,322.56

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Solution

The fourth proportional to 14,183.88, 21,279.23 and 4,322.56 is: 6,484.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.88 : 21,279.23 = 4,322.56 : x
  2. Step 2: Convert to fraction form
    14,183.88/21,279.23 = 4,322.56/x
  3. Step 3: Cross multiply
    14,183.88x = 21,279.23 × 4,322.56
  4. Step 4: Simplify right side
    14,183.88x = 91,980,689.83
  5. Step 5: Solve for x
    x = 91,980,689.83/14,183.88
  6. Step 6: Final answer
    x = 6,484.88

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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.