Home / 13,951.63-19,250.62-8,647.75

Finding the Fourth Proportional to 13,951.63, 19,250.62 and 8,647.75

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Solution

The fourth proportional to 13,951.63, 19,250.62 and 8,647.75 is: 11,932.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.63 : 19,250.62 = 8,647.75 : x
  2. Step 2: Convert to fraction form
    13,951.63/19,250.62 = 8,647.75/x
  3. Step 3: Cross multiply
    13,951.63x = 19,250.62 × 8,647.75
  4. Step 4: Simplify right side
    13,951.63x = 166,474,549.11
  5. Step 5: Solve for x
    x = 166,474,549.11/13,951.63
  6. Step 6: Final answer
    x = 11,932.27

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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.