Home / 23,039.92-31,797.93-12,968.80

Finding the Fourth Proportional to 23,039.92, 31,797.93 and 12,968.80

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Solution

The fourth proportional to 23,039.92, 31,797.93 and 12,968.80 is: 17,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,039.92 : 31,797.93 = 12,968.80 : x
  2. Step 2: Convert to fraction form
    23,039.92/31,797.93 = 12,968.80/x
  3. Step 3: Cross multiply
    23,039.92x = 31,797.93 × 12,968.80
  4. Step 4: Simplify right side
    23,039.92x = 412,380,994.58
  5. Step 5: Solve for x
    x = 412,380,994.58/23,039.92
  6. Step 6: Final answer
    x = 17,898.54

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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.