Home / 13,080.93-19,619.73-4,313.67

Finding the Fourth Proportional to 13,080.93, 19,619.73 and 4,313.67

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Solution

The fourth proportional to 13,080.93, 19,619.73 and 4,313.67 is: 6,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.93 : 19,619.73 = 4,313.67 : x
  2. Step 2: Convert to fraction form
    13,080.93/19,619.73 = 4,313.67/x
  3. Step 3: Cross multiply
    13,080.93x = 19,619.73 × 4,313.67
  4. Step 4: Simplify right side
    13,080.93x = 84,633,040.71
  5. Step 5: Solve for x
    x = 84,633,040.71/13,080.93
  6. Step 6: Final answer
    x = 6,469.96

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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.