Home / 13,908.03-20,865.47-4,047.41

Finding the Fourth Proportional to 13,908.03, 20,865.47 and 4,047.41

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Solution

The fourth proportional to 13,908.03, 20,865.47 and 4,047.41 is: 6,072.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.03 : 20,865.47 = 4,047.41 : x
  2. Step 2: Convert to fraction form
    13,908.03/20,865.47 = 4,047.41/x
  3. Step 3: Cross multiply
    13,908.03x = 20,865.47 × 4,047.41
  4. Step 4: Simplify right side
    13,908.03x = 84,450,987.37
  5. Step 5: Solve for x
    x = 84,450,987.37/13,908.03
  6. Step 6: Final answer
    x = 6,072.10

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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.