Home / 18,796.41-28,184.88-5,647.07

Finding the Fourth Proportional to 18,796.41, 28,184.88 and 5,647.07

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Solution

The fourth proportional to 18,796.41, 28,184.88 and 5,647.07 is: 8,467.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,796.41 : 28,184.88 = 5,647.07 : x
  2. Step 2: Convert to fraction form
    18,796.41/28,184.88 = 5,647.07/x
  3. Step 3: Cross multiply
    18,796.41x = 28,184.88 × 5,647.07
  4. Step 4: Simplify right side
    18,796.41x = 159,161,849.38
  5. Step 5: Solve for x
    x = 159,161,849.38/18,796.41
  6. Step 6: Final answer
    x = 8,467.67

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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.