Home / 27,925.12-41,881.20-8,198.38

Finding the Fourth Proportional to 27,925.12, 41,881.20 and 8,198.38

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Solution

The fourth proportional to 27,925.12, 41,881.20 and 8,198.38 is: 12,295.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,925.12 : 41,881.20 = 8,198.38 : x
  2. Step 2: Convert to fraction form
    27,925.12/41,881.20 = 8,198.38/x
  3. Step 3: Cross multiply
    27,925.12x = 41,881.20 × 8,198.38
  4. Step 4: Simplify right side
    27,925.12x = 343,357,992.46
  5. Step 5: Solve for x
    x = 343,357,992.46/27,925.12
  6. Step 6: Final answer
    x = 12,295.67

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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.