Home / 16,896.56-23,317.89-11,221.52

Finding the Fourth Proportional to 16,896.56, 23,317.89 and 11,221.52

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Solution

The fourth proportional to 16,896.56, 23,317.89 and 11,221.52 is: 15,486.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,896.56 : 23,317.89 = 11,221.52 : x
  2. Step 2: Convert to fraction form
    16,896.56/23,317.89 = 11,221.52/x
  3. Step 3: Cross multiply
    16,896.56x = 23,317.89 × 11,221.52
  4. Step 4: Simplify right side
    16,896.56x = 261,662,052.40
  5. Step 5: Solve for x
    x = 261,662,052.40/16,896.56
  6. Step 6: Final answer
    x = 15,486.12

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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.