Home / 16,960.41-23,390.46-10,986.21

Finding the Fourth Proportional to 16,960.41, 23,390.46 and 10,986.21

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Solution

The fourth proportional to 16,960.41, 23,390.46 and 10,986.21 is: 15,151.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,960.41 : 23,390.46 = 10,986.21 : x
  2. Step 2: Convert to fraction form
    16,960.41/23,390.46 = 10,986.21/x
  3. Step 3: Cross multiply
    16,960.41x = 23,390.46 × 10,986.21
  4. Step 4: Simplify right side
    16,960.41x = 256,972,505.56
  5. Step 5: Solve for x
    x = 256,972,505.56/16,960.41
  6. Step 6: Final answer
    x = 15,151.31

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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.