Home / 22,356.41-30,855.60-12,796.65

Finding the Fourth Proportional to 22,356.41, 30,855.60 and 12,796.65

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Solution

The fourth proportional to 22,356.41, 30,855.60 and 12,796.65 is: 17,661.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,356.41 : 30,855.60 = 12,796.65 : x
  2. Step 2: Convert to fraction form
    22,356.41/30,855.60 = 12,796.65/x
  3. Step 3: Cross multiply
    22,356.41x = 30,855.60 × 12,796.65
  4. Step 4: Simplify right side
    22,356.41x = 394,848,313.74
  5. Step 5: Solve for x
    x = 394,848,313.74/22,356.41
  6. Step 6: Final answer
    x = 17,661.53

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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.