Home / 27,808.96-41,712.92-11,172.80

Finding the Fourth Proportional to 27,808.96, 41,712.92 and 11,172.80

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Solution

The fourth proportional to 27,808.96, 41,712.92 and 11,172.80 is: 16,758.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,808.96 : 41,712.92 = 11,172.80 : x
  2. Step 2: Convert to fraction form
    27,808.96/41,712.92 = 11,172.80/x
  3. Step 3: Cross multiply
    27,808.96x = 41,712.92 × 11,172.80
  4. Step 4: Simplify right side
    27,808.96x = 466,050,112.58
  5. Step 5: Solve for x
    x = 466,050,112.58/27,808.96
  6. Step 6: Final answer
    x = 16,758.99

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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.