Home / 19,902.33-27,449.67-12,344.43

Finding the Fourth Proportional to 19,902.33, 27,449.67 and 12,344.43

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Solution

The fourth proportional to 19,902.33, 27,449.67 and 12,344.43 is: 17,025.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,902.33 : 27,449.67 = 12,344.43 : x
  2. Step 2: Convert to fraction form
    19,902.33/27,449.67 = 12,344.43/x
  3. Step 3: Cross multiply
    19,902.33x = 27,449.67 × 12,344.43
  4. Step 4: Simplify right side
    19,902.33x = 338,850,473.19
  5. Step 5: Solve for x
    x = 338,850,473.19/19,902.33
  6. Step 6: Final answer
    x = 17,025.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.