Home / 13,230.22-19,850.19-9,536.62

Finding the Fourth Proportional to 13,230.22, 19,850.19 and 9,536.62

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Solution

The fourth proportional to 13,230.22, 19,850.19 and 9,536.62 is: 14,308.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.22 : 19,850.19 = 9,536.62 : x
  2. Step 2: Convert to fraction form
    13,230.22/19,850.19 = 9,536.62/x
  3. Step 3: Cross multiply
    13,230.22x = 19,850.19 × 9,536.62
  4. Step 4: Simplify right side
    13,230.22x = 189,303,718.96
  5. Step 5: Solve for x
    x = 189,303,718.96/13,230.22
  6. Step 6: Final answer
    x = 14,308.43

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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.