Home / 13,824.88-19,078.46-7,537.39

Finding the Fourth Proportional to 13,824.88, 19,078.46 and 7,537.39

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Solution

The fourth proportional to 13,824.88, 19,078.46 and 7,537.39 is: 10,401.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.88 : 19,078.46 = 7,537.39 : x
  2. Step 2: Convert to fraction form
    13,824.88/19,078.46 = 7,537.39/x
  3. Step 3: Cross multiply
    13,824.88x = 19,078.46 × 7,537.39
  4. Step 4: Simplify right side
    13,824.88x = 143,801,793.62
  5. Step 5: Solve for x
    x = 143,801,793.62/13,824.88
  6. Step 6: Final answer
    x = 10,401.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.