Home / 21,940.68-32,982.30-17,605.56

Finding the Fourth Proportional to 21,940.68, 32,982.30 and 17,605.56

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Solution

The fourth proportional to 21,940.68, 32,982.30 and 17,605.56 is: 26,465.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,940.68 : 32,982.30 = 17,605.56 : x
  2. Step 2: Convert to fraction form
    21,940.68/32,982.30 = 17,605.56/x
  3. Step 3: Cross multiply
    21,940.68x = 32,982.30 × 17,605.56
  4. Step 4: Simplify right side
    21,940.68x = 580,671,861.59
  5. Step 5: Solve for x
    x = 580,671,861.59/21,940.68
  6. Step 6: Final answer
    x = 26,465.54

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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.