Home / 18,586.94-25,652.78-11,877.03

Finding the Fourth Proportional to 18,586.94, 25,652.78 and 11,877.03

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Solution

The fourth proportional to 18,586.94, 25,652.78 and 11,877.03 is: 16,392.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.94 : 25,652.78 = 11,877.03 : x
  2. Step 2: Convert to fraction form
    18,586.94/25,652.78 = 11,877.03/x
  3. Step 3: Cross multiply
    18,586.94x = 25,652.78 × 11,877.03
  4. Step 4: Simplify right side
    18,586.94x = 304,678,778.26
  5. Step 5: Solve for x
    x = 304,678,778.26/18,586.94
  6. Step 6: Final answer
    x = 16,392.09

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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.