Home / 55,846.53-83,782.11-18,405.09

Finding the Fourth Proportional to 55,846.53, 83,782.11 and 18,405.09

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Solution

The fourth proportional to 55,846.53, 83,782.11 and 18,405.09 is: 27,611.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,846.53 : 83,782.11 = 18,405.09 : x
  2. Step 2: Convert to fraction form
    55,846.53/83,782.11 = 18,405.09/x
  3. Step 3: Cross multiply
    55,846.53x = 83,782.11 × 18,405.09
  4. Step 4: Simplify right side
    55,846.53x = 1,542,017,274.94
  5. Step 5: Solve for x
    x = 1,542,017,274.94/55,846.53
  6. Step 6: Final answer
    x = 27,611.69

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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.