Home / 18,852.44-28,279.97-5,705.80

Finding the Fourth Proportional to 18,852.44, 28,279.97 and 5,705.80

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Solution

The fourth proportional to 18,852.44, 28,279.97 and 5,705.80 is: 8,559.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852.44 : 28,279.97 = 5,705.80 : x
  2. Step 2: Convert to fraction form
    18,852.44/28,279.97 = 5,705.80/x
  3. Step 3: Cross multiply
    18,852.44x = 28,279.97 × 5,705.80
  4. Step 4: Simplify right side
    18,852.44x = 161,359,774.99
  5. Step 5: Solve for x
    x = 161,359,774.99/18,852.44
  6. Step 6: Final answer
    x = 8,559.09

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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.