Home / 12,025.24-18,040.20-3,703.80

Finding the Fourth Proportional to 12,025.24, 18,040.20 and 3,703.80

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Solution

The fourth proportional to 12,025.24, 18,040.20 and 3,703.80 is: 5,556.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.24 : 18,040.20 = 3,703.80 : x
  2. Step 2: Convert to fraction form
    12,025.24/18,040.20 = 3,703.80/x
  3. Step 3: Cross multiply
    12,025.24x = 18,040.20 × 3,703.80
  4. Step 4: Simplify right side
    12,025.24x = 66,817,292.76
  5. Step 5: Solve for x
    x = 66,817,292.76/12,025.24
  6. Step 6: Final answer
    x = 5,556.42

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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.