Home / 13,825.24-20,740.14-5,072.44

Finding the Fourth Proportional to 13,825.24, 20,740.14 and 5,072.44

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Solution

The fourth proportional to 13,825.24, 20,740.14 and 5,072.44 is: 7,609.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.24 : 20,740.14 = 5,072.44 : x
  2. Step 2: Convert to fraction form
    13,825.24/20,740.14 = 5,072.44/x
  3. Step 3: Cross multiply
    13,825.24x = 20,740.14 × 5,072.44
  4. Step 4: Simplify right side
    13,825.24x = 105,203,115.74
  5. Step 5: Solve for x
    x = 105,203,115.74/13,825.24
  6. Step 6: Final answer
    x = 7,609.50

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1.5x scale

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.