Home / 23,183.55-31,993.79-13,630.41

Finding the Fourth Proportional to 23,183.55, 31,993.79 and 13,630.41

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Solution

The fourth proportional to 23,183.55, 31,993.79 and 13,630.41 is: 18,810.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,183.55 : 31,993.79 = 13,630.41 : x
  2. Step 2: Convert to fraction form
    23,183.55/31,993.79 = 13,630.41/x
  3. Step 3: Cross multiply
    23,183.55x = 31,993.79 × 13,630.41
  4. Step 4: Simplify right side
    23,183.55x = 436,088,407.00
  5. Step 5: Solve for x
    x = 436,088,407.00/23,183.55
  6. Step 6: Final answer
    x = 18,810.25

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Half scale
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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.