Home / 23,053.06-31,812.36-12,843.85

Finding the Fourth Proportional to 23,053.06, 31,812.36 and 12,843.85

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Solution

The fourth proportional to 23,053.06, 31,812.36 and 12,843.85 is: 17,724.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,053.06 : 31,812.36 = 12,843.85 : x
  2. Step 2: Convert to fraction form
    23,053.06/31,812.36 = 12,843.85/x
  3. Step 3: Cross multiply
    23,053.06x = 31,812.36 × 12,843.85
  4. Step 4: Simplify right side
    23,053.06x = 408,593,179.99
  5. Step 5: Solve for x
    x = 408,593,179.99/23,053.06
  6. Step 6: Final answer
    x = 17,724.03

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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.