Home / 19,115.56-28,652.64-8,028.28

Finding the Fourth Proportional to 19,115.56, 28,652.64 and 8,028.28

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Solution

The fourth proportional to 19,115.56, 28,652.64 and 8,028.28 is: 12,033.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.56 : 28,652.64 = 8,028.28 : x
  2. Step 2: Convert to fraction form
    19,115.56/28,652.64 = 8,028.28/x
  3. Step 3: Cross multiply
    19,115.56x = 28,652.64 × 8,028.28
  4. Step 4: Simplify right side
    19,115.56x = 230,031,416.66
  5. Step 5: Solve for x
    x = 230,031,416.66/19,115.56
  6. Step 6: Final answer
    x = 12,033.73

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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.