Home / 13,190.37-19,759.02-6,160.65

Finding the Fourth Proportional to 13,190.37, 19,759.02 and 6,160.65

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Solution

The fourth proportional to 13,190.37, 19,759.02 and 6,160.65 is: 9,228.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.37 : 19,759.02 = 6,160.65 : x
  2. Step 2: Convert to fraction form
    13,190.37/19,759.02 = 6,160.65/x
  3. Step 3: Cross multiply
    13,190.37x = 19,759.02 × 6,160.65
  4. Step 4: Simplify right side
    13,190.37x = 121,728,406.56
  5. Step 5: Solve for x
    x = 121,728,406.56/13,190.37
  6. Step 6: Final answer
    x = 9,228.58

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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.