Home / 13,179.24-19,776.66-4,865.05

Finding the Fourth Proportional to 13,179.24, 19,776.66 and 4,865.05

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Solution

The fourth proportional to 13,179.24, 19,776.66 and 4,865.05 is: 7,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.24 : 19,776.66 = 4,865.05 : x
  2. Step 2: Convert to fraction form
    13,179.24/19,776.66 = 4,865.05/x
  3. Step 3: Cross multiply
    13,179.24x = 19,776.66 × 4,865.05
  4. Step 4: Simplify right side
    13,179.24x = 96,214,439.73
  5. Step 5: Solve for x
    x = 96,214,439.73/13,179.24
  6. Step 6: Final answer
    x = 7,300.45

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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.