Home / 43,960.07-65,940.18-10,680.15

Finding the Fourth Proportional to 43,960.07, 65,940.18 and 10,680.15

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Solution

The fourth proportional to 43,960.07, 65,940.18 and 10,680.15 is: 16,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,960.07 : 65,940.18 = 10,680.15 : x
  2. Step 2: Convert to fraction form
    43,960.07/65,940.18 = 10,680.15/x
  3. Step 3: Cross multiply
    43,960.07x = 65,940.18 × 10,680.15
  4. Step 4: Simplify right side
    43,960.07x = 704,251,220.65
  5. Step 5: Solve for x
    x = 704,251,220.65/43,960.07
  6. Step 6: Final answer
    x = 16,020.25

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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.