Home / 22,168.56-33,267.24-11,787.60

Finding the Fourth Proportional to 22,168.56, 33,267.24 and 11,787.60

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Solution

The fourth proportional to 22,168.56, 33,267.24 and 11,787.60 is: 17,689.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,168.56 : 33,267.24 = 11,787.60 : x
  2. Step 2: Convert to fraction form
    22,168.56/33,267.24 = 11,787.60/x
  3. Step 3: Cross multiply
    22,168.56x = 33,267.24 × 11,787.60
  4. Step 4: Simplify right side
    22,168.56x = 392,140,918.22
  5. Step 5: Solve for x
    x = 392,140,918.22/22,168.56
  6. Step 6: Final answer
    x = 17,689.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.