Home / 22,382.26-30,902.68-13,887.84

Finding the Fourth Proportional to 22,382.26, 30,902.68 and 13,887.84

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Solution

The fourth proportional to 22,382.26, 30,902.68 and 13,887.84 is: 19,174.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,382.26 : 30,902.68 = 13,887.84 : x
  2. Step 2: Convert to fraction form
    22,382.26/30,902.68 = 13,887.84/x
  3. Step 3: Cross multiply
    22,382.26x = 30,902.68 × 13,887.84
  4. Step 4: Simplify right side
    22,382.26x = 429,171,475.41
  5. Step 5: Solve for x
    x = 429,171,475.41/22,382.26
  6. Step 6: Final answer
    x = 19,174.63

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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.