Home / 23,040.55-31,795.56-12,968.98

Finding the Fourth Proportional to 23,040.55, 31,795.56 and 12,968.98

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Solution

The fourth proportional to 23,040.55, 31,795.56 and 12,968.98 is: 17,896.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,040.55 : 31,795.56 = 12,968.98 : x
  2. Step 2: Convert to fraction form
    23,040.55/31,795.56 = 12,968.98/x
  3. Step 3: Cross multiply
    23,040.55x = 31,795.56 × 12,968.98
  4. Step 4: Simplify right side
    23,040.55x = 412,355,981.73
  5. Step 5: Solve for x
    x = 412,355,981.73/23,040.55
  6. Step 6: Final answer
    x = 17,896.97

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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.