Home / 21,768.68-32,664.87-16,847.93

Finding the Fourth Proportional to 21,768.68, 32,664.87 and 16,847.93

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Solution

The fourth proportional to 21,768.68, 32,664.87 and 16,847.93 is: 25,281.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,768.68 : 32,664.87 = 16,847.93 : x
  2. Step 2: Convert to fraction form
    21,768.68/32,664.87 = 16,847.93/x
  3. Step 3: Cross multiply
    21,768.68x = 32,664.87 × 16,847.93
  4. Step 4: Simplify right side
    21,768.68x = 550,335,524.88
  5. Step 5: Solve for x
    x = 550,335,524.88/21,768.68
  6. Step 6: Final answer
    x = 25,281.07

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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.