Home / 34,261.56-51,361.12-13,188.12

Finding the Fourth Proportional to 34,261.56, 51,361.12 and 13,188.12

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Solution

The fourth proportional to 34,261.56, 51,361.12 and 13,188.12 is: 19,770.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,261.56 : 51,361.12 = 13,188.12 : x
  2. Step 2: Convert to fraction form
    34,261.56/51,361.12 = 13,188.12/x
  3. Step 3: Cross multiply
    34,261.56x = 51,361.12 × 13,188.12
  4. Step 4: Simplify right side
    34,261.56x = 677,356,613.89
  5. Step 5: Solve for x
    x = 677,356,613.89/34,261.56
  6. Step 6: Final answer
    x = 19,770.16

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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.