Home / 55,013.99-82,520.98-15,571.44

Finding the Fourth Proportional to 55,013.99, 82,520.98 and 15,571.44

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Solution

The fourth proportional to 55,013.99, 82,520.98 and 15,571.44 is: 23,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,013.99 : 82,520.98 = 15,571.44 : x
  2. Step 2: Convert to fraction form
    55,013.99/82,520.98 = 15,571.44/x
  3. Step 3: Cross multiply
    55,013.99x = 82,520.98 × 15,571.44
  4. Step 4: Simplify right side
    55,013.99x = 1,284,970,449.88
  5. Step 5: Solve for x
    x = 1,284,970,449.88/55,013.99
  6. Step 6: Final answer
    x = 23,357.16

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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.