Home / 13,759.83-20,537.93-12,019.14

Finding the Fourth Proportional to 13,759.83, 20,537.93 and 12,019.14

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Solution

The fourth proportional to 13,759.83, 20,537.93 and 12,019.14 is: 17,939.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759.83 : 20,537.93 = 12,019.14 : x
  2. Step 2: Convert to fraction form
    13,759.83/20,537.93 = 12,019.14/x
  3. Step 3: Cross multiply
    13,759.83x = 20,537.93 × 12,019.14
  4. Step 4: Simplify right side
    13,759.83x = 246,848,286.03
  5. Step 5: Solve for x
    x = 246,848,286.03/13,759.83
  6. Step 6: Final answer
    x = 17,939.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.