Home / 13,993.93-19,311.96-8,614.36

Finding the Fourth Proportional to 13,993.93, 19,311.96 and 8,614.36

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Solution

The fourth proportional to 13,993.93, 19,311.96 and 8,614.36 is: 11,888.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.93 : 19,311.96 = 8,614.36 : x
  2. Step 2: Convert to fraction form
    13,993.93/19,311.96 = 8,614.36/x
  3. Step 3: Cross multiply
    13,993.93x = 19,311.96 × 8,614.36
  4. Step 4: Simplify right side
    13,993.93x = 166,360,216.04
  5. Step 5: Solve for x
    x = 166,360,216.04/13,993.93
  6. Step 6: Final answer
    x = 11,888.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.