Home / 26,143.56-39,183.21-12,084.57

Finding the Fourth Proportional to 26,143.56, 39,183.21 and 12,084.57

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Solution

The fourth proportional to 26,143.56, 39,183.21 and 12,084.57 is: 18,112.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,143.56 : 39,183.21 = 12,084.57 : x
  2. Step 2: Convert to fraction form
    26,143.56/39,183.21 = 12,084.57/x
  3. Step 3: Cross multiply
    26,143.56x = 39,183.21 × 12,084.57
  4. Step 4: Simplify right side
    26,143.56x = 473,512,142.45
  5. Step 5: Solve for x
    x = 473,512,142.45/26,143.56
  6. Step 6: Final answer
    x = 18,112.00

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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.