Home / 13,161.40-19,749.87-4,847.26

Finding the Fourth Proportional to 13,161.40, 19,749.87 and 4,847.26

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Solution

The fourth proportional to 13,161.40, 19,749.87 and 4,847.26 is: 7,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161.40 : 19,749.87 = 4,847.26 : x
  2. Step 2: Convert to fraction form
    13,161.40/19,749.87 = 4,847.26/x
  3. Step 3: Cross multiply
    13,161.40x = 19,749.87 × 4,847.26
  4. Step 4: Simplify right side
    13,161.40x = 95,732,656.11
  5. Step 5: Solve for x
    x = 95,732,656.11/13,161.40
  6. Step 6: Final answer
    x = 7,273.75

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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.