Home / 16,928.82-23,334.75-13,338.09

Finding the Fourth Proportional to 16,928.82, 23,334.75 and 13,338.09

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Solution

The fourth proportional to 16,928.82, 23,334.75 and 13,338.09 is: 18,385.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,928.82 : 23,334.75 = 13,338.09 : x
  2. Step 2: Convert to fraction form
    16,928.82/23,334.75 = 13,338.09/x
  3. Step 3: Cross multiply
    16,928.82x = 23,334.75 × 13,338.09
  4. Step 4: Simplify right side
    16,928.82x = 311,240,995.63
  5. Step 5: Solve for x
    x = 311,240,995.63/16,928.82
  6. Step 6: Final answer
    x = 18,385.27

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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.