Home / 22,194.54-30,628.35-13,242.42

Finding the Fourth Proportional to 22,194.54, 30,628.35 and 13,242.42

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Solution

The fourth proportional to 22,194.54, 30,628.35 and 13,242.42 is: 18,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,194.54 : 30,628.35 = 13,242.42 : x
  2. Step 2: Convert to fraction form
    22,194.54/30,628.35 = 13,242.42/x
  3. Step 3: Cross multiply
    22,194.54x = 30,628.35 × 13,242.42
  4. Step 4: Simplify right side
    22,194.54x = 405,593,474.61
  5. Step 5: Solve for x
    x = 405,593,474.61/22,194.54
  6. Step 6: Final answer
    x = 18,274.47

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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.