Home / 21,963.83-30,310.09-11,892.27

Finding the Fourth Proportional to 21,963.83, 30,310.09 and 11,892.27

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Solution

The fourth proportional to 21,963.83, 30,310.09 and 11,892.27 is: 16,411.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,963.83 : 30,310.09 = 11,892.27 : x
  2. Step 2: Convert to fraction form
    21,963.83/30,310.09 = 11,892.27/x
  3. Step 3: Cross multiply
    21,963.83x = 30,310.09 × 11,892.27
  4. Step 4: Simplify right side
    21,963.83x = 360,455,774.00
  5. Step 5: Solve for x
    x = 360,455,774.00/21,963.83
  6. Step 6: Final answer
    x = 16,411.34

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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.