Home / 22,478.75-33,660.62-21,813.59

Finding the Fourth Proportional to 22,478.75, 33,660.62 and 21,813.59

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Solution

The fourth proportional to 22,478.75, 33,660.62 and 21,813.59 is: 32,664.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,478.75 : 33,660.62 = 21,813.59 : x
  2. Step 2: Convert to fraction form
    22,478.75/33,660.62 = 21,813.59/x
  3. Step 3: Cross multiply
    22,478.75x = 33,660.62 × 21,813.59
  4. Step 4: Simplify right side
    22,478.75x = 734,258,963.83
  5. Step 5: Solve for x
    x = 734,258,963.83/22,478.75
  6. Step 6: Final answer
    x = 32,664.58

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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.