Home / 16,942.59-23,366.34-13,399.65

Finding the Fourth Proportional to 16,942.59, 23,366.34 and 13,399.65

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Solution

The fourth proportional to 16,942.59, 23,366.34 and 13,399.65 is: 18,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,942.59 : 23,366.34 = 13,399.65 : x
  2. Step 2: Convert to fraction form
    16,942.59/23,366.34 = 13,399.65/x
  3. Step 3: Cross multiply
    16,942.59x = 23,366.34 × 13,399.65
  4. Step 4: Simplify right side
    16,942.59x = 313,100,777.78
  5. Step 5: Solve for x
    x = 313,100,777.78/16,942.59
  6. Step 6: Final answer
    x = 18,480.10

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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.