Home / 21,092.37-29,107.46-11,532.30

Finding the Fourth Proportional to 21,092.37, 29,107.46 and 11,532.30

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Solution

The fourth proportional to 21,092.37, 29,107.46 and 11,532.30 is: 15,914.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,092.37 : 29,107.46 = 11,532.30 : x
  2. Step 2: Convert to fraction form
    21,092.37/29,107.46 = 11,532.30/x
  3. Step 3: Cross multiply
    21,092.37x = 29,107.46 × 11,532.30
  4. Step 4: Simplify right side
    21,092.37x = 335,675,848.20
  5. Step 5: Solve for x
    x = 335,675,848.20/21,092.37
  6. Step 6: Final answer
    x = 15,914.56

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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.