Home / 18,328.49-27,480.41-8,462.33

Finding the Fourth Proportional to 18,328.49, 27,480.41 and 8,462.33

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Solution

The fourth proportional to 18,328.49, 27,480.41 and 8,462.33 is: 12,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.49 : 27,480.41 = 8,462.33 : x
  2. Step 2: Convert to fraction form
    18,328.49/27,480.41 = 8,462.33/x
  3. Step 3: Cross multiply
    18,328.49x = 27,480.41 × 8,462.33
  4. Step 4: Simplify right side
    18,328.49x = 232,548,255.64
  5. Step 5: Solve for x
    x = 232,548,255.64/18,328.49
  6. Step 6: Final answer
    x = 12,687.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.