Home / 16,453.64-22,706.60-9,379.88

Finding the Fourth Proportional to 16,453.64, 22,706.60 and 9,379.88

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Solution

The fourth proportional to 16,453.64, 22,706.60 and 9,379.88 is: 12,944.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,453.64 : 22,706.60 = 9,379.88 : x
  2. Step 2: Convert to fraction form
    16,453.64/22,706.60 = 9,379.88/x
  3. Step 3: Cross multiply
    16,453.64x = 22,706.60 × 9,379.88
  4. Step 4: Simplify right side
    16,453.64x = 212,985,183.21
  5. Step 5: Solve for x
    x = 212,985,183.21/16,453.64
  6. Step 6: Final answer
    x = 12,944.56

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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.