Home / 13,911.63-20,865.42-4,048.26

Finding the Fourth Proportional to 13,911.63, 20,865.42 and 4,048.26

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Solution

The fourth proportional to 13,911.63, 20,865.42 and 4,048.26 is: 6,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.63 : 20,865.42 = 4,048.26 : x
  2. Step 2: Convert to fraction form
    13,911.63/20,865.42 = 4,048.26/x
  3. Step 3: Cross multiply
    13,911.63x = 20,865.42 × 4,048.26
  4. Step 4: Simplify right side
    13,911.63x = 84,468,645.17
  5. Step 5: Solve for x
    x = 84,468,645.17/13,911.63
  6. Step 6: Final answer
    x = 6,071.80

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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.