Home / 13,316.24-19,974.31-3,454.67

Finding the Fourth Proportional to 13,316.24, 19,974.31 and 3,454.67

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Solution

The fourth proportional to 13,316.24, 19,974.31 and 3,454.67 is: 5,181.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.24 : 19,974.31 = 3,454.67 : x
  2. Step 2: Convert to fraction form
    13,316.24/19,974.31 = 3,454.67/x
  3. Step 3: Cross multiply
    13,316.24x = 19,974.31 × 3,454.67
  4. Step 4: Simplify right side
    13,316.24x = 69,004,649.53
  5. Step 5: Solve for x
    x = 69,004,649.53/13,316.24
  6. Step 6: Final answer
    x = 5,181.99

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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.