Home / 20,592.35-28,396.21-17,618.03

Finding the Fourth Proportional to 20,592.35, 28,396.21 and 17,618.03

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Solution

The fourth proportional to 20,592.35, 28,396.21 and 17,618.03 is: 24,294.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592.35 : 28,396.21 = 17,618.03 : x
  2. Step 2: Convert to fraction form
    20,592.35/28,396.21 = 17,618.03/x
  3. Step 3: Cross multiply
    20,592.35x = 28,396.21 × 17,618.03
  4. Step 4: Simplify right side
    20,592.35x = 500,285,049.60
  5. Step 5: Solve for x
    x = 500,285,049.60/20,592.35
  6. Step 6: Final answer
    x = 24,294.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.