Home / 21,912.98-32,873.13-10,817.60

Finding the Fourth Proportional to 21,912.98, 32,873.13 and 10,817.60

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Solution

The fourth proportional to 21,912.98, 32,873.13 and 10,817.60 is: 16,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,912.98 : 32,873.13 = 10,817.60 : x
  2. Step 2: Convert to fraction form
    21,912.98/32,873.13 = 10,817.60/x
  3. Step 3: Cross multiply
    21,912.98x = 32,873.13 × 10,817.60
  4. Step 4: Simplify right side
    21,912.98x = 355,608,206.72
  5. Step 5: Solve for x
    x = 355,608,206.72/21,912.98
  6. Step 6: Final answer
    x = 16,228.20

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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.