Home / 13,171.24-19,754.16-5,771.62

Finding the Fourth Proportional to 13,171.24, 19,754.16 and 5,771.62

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Solution

The fourth proportional to 13,171.24, 19,754.16 and 5,771.62 is: 8,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171.24 : 19,754.16 = 5,771.62 : x
  2. Step 2: Convert to fraction form
    13,171.24/19,754.16 = 5,771.62/x
  3. Step 3: Cross multiply
    13,171.24x = 19,754.16 × 5,771.62
  4. Step 4: Simplify right side
    13,171.24x = 114,013,504.94
  5. Step 5: Solve for x
    x = 114,013,504.94/13,171.24
  6. Step 6: Final answer
    x = 8,656.25

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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.