Home / 13,147.08-19,722.36-4,825.08

Finding the Fourth Proportional to 13,147.08, 19,722.36 and 4,825.08

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Solution

The fourth proportional to 13,147.08, 19,722.36 and 4,825.08 is: 7,238.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147.08 : 19,722.36 = 4,825.08 : x
  2. Step 2: Convert to fraction form
    13,147.08/19,722.36 = 4,825.08/x
  3. Step 3: Cross multiply
    13,147.08x = 19,722.36 × 4,825.08
  4. Step 4: Simplify right side
    13,147.08x = 95,161,964.79
  5. Step 5: Solve for x
    x = 95,161,964.79/13,147.08
  6. Step 6: Final answer
    x = 7,238.26

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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.