Home / 12,552.24-18,825.60-3,784.80

Finding the Fourth Proportional to 12,552.24, 18,825.60 and 3,784.80

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Solution

The fourth proportional to 12,552.24, 18,825.60 and 3,784.80 is: 5,676.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.24 : 18,825.60 = 3,784.80 : x
  2. Step 2: Convert to fraction form
    12,552.24/18,825.60 = 3,784.80/x
  3. Step 3: Cross multiply
    12,552.24x = 18,825.60 × 3,784.80
  4. Step 4: Simplify right side
    12,552.24x = 71,251,130.88
  5. Step 5: Solve for x
    x = 71,251,130.88/12,552.24
  6. Step 6: Final answer
    x = 5,676.37

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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.