Home / 12,972.14-19,334.81-12,233.96

Finding the Fourth Proportional to 12,972.14, 19,334.81 and 12,233.96

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Solution

The fourth proportional to 12,972.14, 19,334.81 and 12,233.96 is: 18,234.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,972.14 : 19,334.81 = 12,233.96 : x
  2. Step 2: Convert to fraction form
    12,972.14/19,334.81 = 12,233.96/x
  3. Step 3: Cross multiply
    12,972.14x = 19,334.81 × 12,233.96
  4. Step 4: Simplify right side
    12,972.14x = 236,541,292.15
  5. Step 5: Solve for x
    x = 236,541,292.15/12,972.14
  6. Step 6: Final answer
    x = 18,234.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.