Home / 15,789.90-23,662.20-11,596.98

Finding the Fourth Proportional to 15,789.90, 23,662.20 and 11,596.98

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Solution

The fourth proportional to 15,789.90, 23,662.20 and 11,596.98 is: 17,378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789.90 : 23,662.20 = 11,596.98 : x
  2. Step 2: Convert to fraction form
    15,789.90/23,662.20 = 11,596.98/x
  3. Step 3: Cross multiply
    15,789.90x = 23,662.20 × 11,596.98
  4. Step 4: Simplify right side
    15,789.90x = 274,410,060.16
  5. Step 5: Solve for x
    x = 274,410,060.16/15,789.90
  6. Step 6: Final answer
    x = 17,378.83

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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.