Home / 18,592.39-25,635.82-13,868.47

Finding the Fourth Proportional to 18,592.39, 25,635.82 and 13,868.47

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Solution

The fourth proportional to 18,592.39, 25,635.82 and 13,868.47 is: 19,122.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.39 : 25,635.82 = 13,868.47 : x
  2. Step 2: Convert to fraction form
    18,592.39/25,635.82 = 13,868.47/x
  3. Step 3: Cross multiply
    18,592.39x = 25,635.82 × 13,868.47
  4. Step 4: Simplify right side
    18,592.39x = 355,529,531.25
  5. Step 5: Solve for x
    x = 355,529,531.25/18,592.39
  6. Step 6: Final answer
    x = 19,122.31

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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.