Home / 27,753.75-41,632.80-9,986.73

Finding the Fourth Proportional to 27,753.75, 41,632.80 and 9,986.73

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Solution

The fourth proportional to 27,753.75, 41,632.80 and 9,986.73 is: 14,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,753.75 : 41,632.80 = 9,986.73 : x
  2. Step 2: Convert to fraction form
    27,753.75/41,632.80 = 9,986.73/x
  3. Step 3: Cross multiply
    27,753.75x = 41,632.80 × 9,986.73
  4. Step 4: Simplify right side
    27,753.75x = 415,775,532.74
  5. Step 5: Solve for x
    x = 415,775,532.74/27,753.75
  6. Step 6: Final answer
    x = 14,980.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.