Home / 18,524.98-27,787.33-15,745.06

Finding the Fourth Proportional to 18,524.98, 27,787.33 and 15,745.06

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Solution

The fourth proportional to 18,524.98, 27,787.33 and 15,745.06 is: 23,617.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.98 : 27,787.33 = 15,745.06 : x
  2. Step 2: Convert to fraction form
    18,524.98/27,787.33 = 15,745.06/x
  3. Step 3: Cross multiply
    18,524.98x = 27,787.33 × 15,745.06
  4. Step 4: Simplify right side
    18,524.98x = 437,513,178.09
  5. Step 5: Solve for x
    x = 437,513,178.09/18,524.98
  6. Step 6: Final answer
    x = 23,617.47

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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.