Home / 23,014.24-31,750.68-12,940.36

Finding the Fourth Proportional to 23,014.24, 31,750.68 and 12,940.36

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Solution

The fourth proportional to 23,014.24, 31,750.68 and 12,940.36 is: 17,852.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,014.24 : 31,750.68 = 12,940.36 : x
  2. Step 2: Convert to fraction form
    23,014.24/31,750.68 = 12,940.36/x
  3. Step 3: Cross multiply
    23,014.24x = 31,750.68 × 12,940.36
  4. Step 4: Simplify right side
    23,014.24x = 410,865,229.44
  5. Step 5: Solve for x
    x = 410,865,229.44/23,014.24
  6. Step 6: Final answer
    x = 17,852.65

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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.