Home / 22,406.22-30,922.97-13,913.78

Finding the Fourth Proportional to 22,406.22, 30,922.97 and 13,913.78

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Solution

The fourth proportional to 22,406.22, 30,922.97 and 13,913.78 is: 19,202.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,406.22 : 30,922.97 = 13,913.78 : x
  2. Step 2: Convert to fraction form
    22,406.22/30,922.97 = 13,913.78/x
  3. Step 3: Cross multiply
    22,406.22x = 30,922.97 × 13,913.78
  4. Step 4: Simplify right side
    22,406.22x = 430,255,177.34
  5. Step 5: Solve for x
    x = 430,255,177.34/22,406.22
  6. Step 6: Final answer
    x = 19,202.49

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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.