Home / 23,074.14-31,842.78-12,865.80

Finding the Fourth Proportional to 23,074.14, 31,842.78 and 12,865.80

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Solution

The fourth proportional to 23,074.14, 31,842.78 and 12,865.80 is: 17,755.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,074.14 : 31,842.78 = 12,865.80 : x
  2. Step 2: Convert to fraction form
    23,074.14/31,842.78 = 12,865.80/x
  3. Step 3: Cross multiply
    23,074.14x = 31,842.78 × 12,865.80
  4. Step 4: Simplify right side
    23,074.14x = 409,682,838.92
  5. Step 5: Solve for x
    x = 409,682,838.92/23,074.14
  6. Step 6: Final answer
    x = 17,755.06

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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.