Home / 21,790.96-32,685.20-6,208.18

Finding the Fourth Proportional to 21,790.96, 32,685.20 and 6,208.18

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Solution

The fourth proportional to 21,790.96, 32,685.20 and 6,208.18 is: 9,311.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,790.96 : 32,685.20 = 6,208.18 : x
  2. Step 2: Convert to fraction form
    21,790.96/32,685.20 = 6,208.18/x
  3. Step 3: Cross multiply
    21,790.96x = 32,685.20 × 6,208.18
  4. Step 4: Simplify right side
    21,790.96x = 202,915,604.94
  5. Step 5: Solve for x
    x = 202,915,604.94/21,790.96
  6. Step 6: Final answer
    x = 9,311.92

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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.