Home / 18,478.54-25,667.94-18,192.37

Finding the Fourth Proportional to 18,478.54, 25,667.94 and 18,192.37

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Solution

The fourth proportional to 18,478.54, 25,667.94 and 18,192.37 is: 25,270.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,478.54 : 25,667.94 = 18,192.37 : x
  2. Step 2: Convert to fraction form
    18,478.54/25,667.94 = 18,192.37/x
  3. Step 3: Cross multiply
    18,478.54x = 25,667.94 × 18,192.37
  4. Step 4: Simplify right side
    18,478.54x = 466,960,533.28
  5. Step 5: Solve for x
    x = 466,960,533.28/18,478.54
  6. Step 6: Final answer
    x = 25,270.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.