Home / 13,600.44-20,387.61-4,830.57

Finding the Fourth Proportional to 13,600.44, 20,387.61 and 4,830.57

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Solution

The fourth proportional to 13,600.44, 20,387.61 and 4,830.57 is: 7,241.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.44 : 20,387.61 = 4,830.57 : x
  2. Step 2: Convert to fraction form
    13,600.44/20,387.61 = 4,830.57/x
  3. Step 3: Cross multiply
    13,600.44x = 20,387.61 × 4,830.57
  4. Step 4: Simplify right side
    13,600.44x = 98,483,777.24
  5. Step 5: Solve for x
    x = 98,483,777.24/13,600.44
  6. Step 6: Final answer
    x = 7,241.22

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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.