Home / 25,408.56-38,121.76-11,367.36

Finding the Fourth Proportional to 25,408.56, 38,121.76 and 11,367.36

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Solution

The fourth proportional to 25,408.56, 38,121.76 and 11,367.36 is: 17,055.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,408.56 : 38,121.76 = 11,367.36 : x
  2. Step 2: Convert to fraction form
    25,408.56/38,121.76 = 11,367.36/x
  3. Step 3: Cross multiply
    25,408.56x = 38,121.76 × 11,367.36
  4. Step 4: Simplify right side
    25,408.56x = 433,343,769.75
  5. Step 5: Solve for x
    x = 433,343,769.75/25,408.56
  6. Step 6: Final answer
    x = 17,055.03

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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.