Home / 13,393.35-20,077.07-6,361.34

Finding the Fourth Proportional to 13,393.35, 20,077.07 and 6,361.34

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Solution

The fourth proportional to 13,393.35, 20,077.07 and 6,361.34 is: 9,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393.35 : 20,077.07 = 6,361.34 : x
  2. Step 2: Convert to fraction form
    13,393.35/20,077.07 = 6,361.34/x
  3. Step 3: Cross multiply
    13,393.35x = 20,077.07 × 6,361.34
  4. Step 4: Simplify right side
    13,393.35x = 127,716,936.28
  5. Step 5: Solve for x
    x = 127,716,936.28/13,393.35
  6. Step 6: Final answer
    x = 9,535.85

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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.