Home / 18,954.23-28,436.82-5,808.54

Finding the Fourth Proportional to 18,954.23, 28,436.82 and 5,808.54

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Solution

The fourth proportional to 18,954.23, 28,436.82 and 5,808.54 is: 8,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.23 : 28,436.82 = 5,808.54 : x
  2. Step 2: Convert to fraction form
    18,954.23/28,436.82 = 5,808.54/x
  3. Step 3: Cross multiply
    18,954.23x = 28,436.82 × 5,808.54
  4. Step 4: Simplify right side
    18,954.23x = 165,176,406.44
  5. Step 5: Solve for x
    x = 165,176,406.44/18,954.23
  6. Step 6: Final answer
    x = 8,714.49

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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.