Home / 18,216.72-27,328.74-5,738.67

Finding the Fourth Proportional to 18,216.72, 27,328.74 and 5,738.67

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Solution

The fourth proportional to 18,216.72, 27,328.74 and 5,738.67 is: 8,609.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.72 : 27,328.74 = 5,738.67 : x
  2. Step 2: Convert to fraction form
    18,216.72/27,328.74 = 5,738.67/x
  3. Step 3: Cross multiply
    18,216.72x = 27,328.74 × 5,738.67
  4. Step 4: Simplify right side
    18,216.72x = 156,830,620.38
  5. Step 5: Solve for x
    x = 156,830,620.38/18,216.72
  6. Step 6: Final answer
    x = 8,609.16

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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.