Home / 22,456.56-33,684.92-21,915.28

Finding the Fourth Proportional to 22,456.56, 33,684.92 and 21,915.28

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Solution

The fourth proportional to 22,456.56, 33,684.92 and 21,915.28 is: 32,873.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,456.56 : 33,684.92 = 21,915.28 : x
  2. Step 2: Convert to fraction form
    22,456.56/33,684.92 = 21,915.28/x
  3. Step 3: Cross multiply
    22,456.56x = 33,684.92 × 21,915.28
  4. Step 4: Simplify right side
    22,456.56x = 738,214,453.58
  5. Step 5: Solve for x
    x = 738,214,453.58/22,456.56
  6. Step 6: Final answer
    x = 32,873.00

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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.