Home / 15,465.66-23,198.28-3,778.98

Finding the Fourth Proportional to 15,465.66, 23,198.28 and 3,778.98

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Solution

The fourth proportional to 15,465.66, 23,198.28 and 3,778.98 is: 5,668.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,465.66 : 23,198.28 = 3,778.98 : x
  2. Step 2: Convert to fraction form
    15,465.66/23,198.28 = 3,778.98/x
  3. Step 3: Cross multiply
    15,465.66x = 23,198.28 × 3,778.98
  4. Step 4: Simplify right side
    15,465.66x = 87,665,836.15
  5. Step 5: Solve for x
    x = 87,665,836.15/15,465.66
  6. Step 6: Final answer
    x = 5,668.42

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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.