Home / 21,705.62-32,558.46-20,597.54

Finding the Fourth Proportional to 21,705.62, 32,558.46 and 20,597.54

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Solution

The fourth proportional to 21,705.62, 32,558.46 and 20,597.54 is: 30,896.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,705.62 : 32,558.46 = 20,597.54 : x
  2. Step 2: Convert to fraction form
    21,705.62/32,558.46 = 20,597.54/x
  3. Step 3: Cross multiply
    21,705.62x = 32,558.46 × 20,597.54
  4. Step 4: Simplify right side
    21,705.62x = 670,624,182.19
  5. Step 5: Solve for x
    x = 670,624,182.19/21,705.62
  6. Step 6: Final answer
    x = 30,896.34

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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.