Home / 22,318.38-30,796.74-13,242.33

Finding the Fourth Proportional to 22,318.38, 30,796.74 and 13,242.33

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Solution

The fourth proportional to 22,318.38, 30,796.74 and 13,242.33 is: 18,272.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,318.38 : 30,796.74 = 13,242.33 : x
  2. Step 2: Convert to fraction form
    22,318.38/30,796.74 = 13,242.33/x
  3. Step 3: Cross multiply
    22,318.38x = 30,796.74 × 13,242.33
  4. Step 4: Simplify right side
    22,318.38x = 407,820,594.00
  5. Step 5: Solve for x
    x = 407,820,594.00/22,318.38
  6. Step 6: Final answer
    x = 18,272.86

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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.