Home / 13,594.37-18,760.41-8,216.07

Finding the Fourth Proportional to 13,594.37, 18,760.41 and 8,216.07

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Solution

The fourth proportional to 13,594.37, 18,760.41 and 8,216.07 is: 11,338.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,594.37 : 18,760.41 = 8,216.07 : x
  2. Step 2: Convert to fraction form
    13,594.37/18,760.41 = 8,216.07/x
  3. Step 3: Cross multiply
    13,594.37x = 18,760.41 × 8,216.07
  4. Step 4: Simplify right side
    13,594.37x = 154,136,771.44
  5. Step 5: Solve for x
    x = 154,136,771.44/13,594.37
  6. Step 6: Final answer
    x = 11,338.28

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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.