Home / 16,893.21-23,313.28-11,218.17

Finding the Fourth Proportional to 16,893.21, 23,313.28 and 11,218.17

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Solution

The fourth proportional to 16,893.21, 23,313.28 and 11,218.17 is: 15,481.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,893.21 : 23,313.28 = 11,218.17 : x
  2. Step 2: Convert to fraction form
    16,893.21/23,313.28 = 11,218.17/x
  3. Step 3: Cross multiply
    16,893.21x = 23,313.28 × 11,218.17
  4. Step 4: Simplify right side
    16,893.21x = 261,532,193.69
  5. Step 5: Solve for x
    x = 261,532,193.69/16,893.21
  6. Step 6: Final answer
    x = 15,481.50

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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.