Home / 36,749.03-55,120.55-11,782.35

Finding the Fourth Proportional to 36,749.03, 55,120.55 and 11,782.35

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Solution

The fourth proportional to 36,749.03, 55,120.55 and 11,782.35 is: 17,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,749.03 : 55,120.55 = 11,782.35 : x
  2. Step 2: Convert to fraction form
    36,749.03/55,120.55 = 11,782.35/x
  3. Step 3: Cross multiply
    36,749.03x = 55,120.55 × 11,782.35
  4. Step 4: Simplify right side
    36,749.03x = 649,449,720.64
  5. Step 5: Solve for x
    x = 649,449,720.64/36,749.03
  6. Step 6: Final answer
    x = 17,672.57

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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.