Home / 22,182.10-33,282.60-11,660.20

Finding the Fourth Proportional to 22,182.10, 33,282.60 and 11,660.20

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Solution

The fourth proportional to 22,182.10, 33,282.60 and 11,660.20 is: 17,495.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.10 : 33,282.60 = 11,660.20 : x
  2. Step 2: Convert to fraction form
    22,182.10/33,282.60 = 11,660.20/x
  3. Step 3: Cross multiply
    22,182.10x = 33,282.60 × 11,660.20
  4. Step 4: Simplify right side
    22,182.10x = 388,081,772.52
  5. Step 5: Solve for x
    x = 388,081,772.52/22,182.10
  6. Step 6: Final answer
    x = 17,495.27

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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.