Home / 45,454.27-68,185.34-13,871.44

Finding the Fourth Proportional to 45,454.27, 68,185.34 and 13,871.44

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Solution

The fourth proportional to 45,454.27, 68,185.34 and 13,871.44 is: 20,808.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,454.27 : 68,185.34 = 13,871.44 : x
  2. Step 2: Convert to fraction form
    45,454.27/68,185.34 = 13,871.44/x
  3. Step 3: Cross multiply
    45,454.27x = 68,185.34 × 13,871.44
  4. Step 4: Simplify right side
    45,454.27x = 945,828,998.61
  5. Step 5: Solve for x
    x = 945,828,998.61/45,454.27
  6. Step 6: Final answer
    x = 20,808.36

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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.