Home / 19,233.20-28,874.10-10,355.60

Finding the Fourth Proportional to 19,233.20, 28,874.10 and 10,355.60

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Solution

The fourth proportional to 19,233.20, 28,874.10 and 10,355.60 is: 15,546.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,233.20 : 28,874.10 = 10,355.60 : x
  2. Step 2: Convert to fraction form
    19,233.20/28,874.10 = 10,355.60/x
  3. Step 3: Cross multiply
    19,233.20x = 28,874.10 × 10,355.60
  4. Step 4: Simplify right side
    19,233.20x = 299,008,629.96
  5. Step 5: Solve for x
    x = 299,008,629.96/19,233.20
  6. Step 6: Final answer
    x = 15,546.48

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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.