Home / 14,285.15-21,431.14-5,960.54

Finding the Fourth Proportional to 14,285.15, 21,431.14 and 5,960.54

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Solution

The fourth proportional to 14,285.15, 21,431.14 and 5,960.54 is: 8,942.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.15 : 21,431.14 = 5,960.54 : x
  2. Step 2: Convert to fraction form
    14,285.15/21,431.14 = 5,960.54/x
  3. Step 3: Cross multiply
    14,285.15x = 21,431.14 × 5,960.54
  4. Step 4: Simplify right side
    14,285.15x = 127,741,205.89
  5. Step 5: Solve for x
    x = 127,741,205.89/14,285.15
  6. Step 6: Final answer
    x = 8,942.24

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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.