Home / 13,171.16-19,739.19-5,767.56

Finding the Fourth Proportional to 13,171.16, 19,739.19 and 5,767.56

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Solution

The fourth proportional to 13,171.16, 19,739.19 and 5,767.56 is: 8,643.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171.16 : 19,739.19 = 5,767.56 : x
  2. Step 2: Convert to fraction form
    13,171.16/19,739.19 = 5,767.56/x
  3. Step 3: Cross multiply
    13,171.16x = 19,739.19 × 5,767.56
  4. Step 4: Simplify right side
    13,171.16x = 113,846,962.68
  5. Step 5: Solve for x
    x = 113,846,962.68/13,171.16
  6. Step 6: Final answer
    x = 8,643.66

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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.