Home / 13,739.42-20,608.56-6,341.42

Finding the Fourth Proportional to 13,739.42, 20,608.56 and 6,341.42

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Solution

The fourth proportional to 13,739.42, 20,608.56 and 6,341.42 is: 9,511.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739.42 : 20,608.56 = 6,341.42 : x
  2. Step 2: Convert to fraction form
    13,739.42/20,608.56 = 6,341.42/x
  3. Step 3: Cross multiply
    13,739.42x = 20,608.56 × 6,341.42
  4. Step 4: Simplify right side
    13,739.42x = 130,687,534.56
  5. Step 5: Solve for x
    x = 130,687,534.56/13,739.42
  6. Step 6: Final answer
    x = 9,511.87

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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.