Home / 13,173.85-19,756.62-4,406.68

Finding the Fourth Proportional to 13,173.85, 19,756.62 and 4,406.68

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Solution

The fourth proportional to 13,173.85, 19,756.62 and 4,406.68 is: 6,608.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.85 : 19,756.62 = 4,406.68 : x
  2. Step 2: Convert to fraction form
    13,173.85/19,756.62 = 4,406.68/x
  3. Step 3: Cross multiply
    13,173.85x = 19,756.62 × 4,406.68
  4. Step 4: Simplify right side
    13,173.85x = 87,061,102.22
  5. Step 5: Solve for x
    x = 87,061,102.22/13,173.85
  6. Step 6: Final answer
    x = 6,608.63

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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.