Home / 13,749.87-20,596.09-8,794.34

Finding the Fourth Proportional to 13,749.87, 20,596.09 and 8,794.34

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Solution

The fourth proportional to 13,749.87, 20,596.09 and 8,794.34 is: 13,173.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.87 : 20,596.09 = 8,794.34 : x
  2. Step 2: Convert to fraction form
    13,749.87/20,596.09 = 8,794.34/x
  3. Step 3: Cross multiply
    13,749.87x = 20,596.09 × 8,794.34
  4. Step 4: Simplify right side
    13,749.87x = 181,128,986.89
  5. Step 5: Solve for x
    x = 181,128,986.89/13,749.87
  6. Step 6: Final answer
    x = 13,173.14

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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.