Home / 27,805.08-41,713.20-12,222.72

Finding the Fourth Proportional to 27,805.08, 41,713.20 and 12,222.72

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Solution

The fourth proportional to 27,805.08, 41,713.20 and 12,222.72 is: 18,336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,805.08 : 41,713.20 = 12,222.72 : x
  2. Step 2: Convert to fraction form
    27,805.08/41,713.20 = 12,222.72/x
  3. Step 3: Cross multiply
    27,805.08x = 41,713.20 × 12,222.72
  4. Step 4: Simplify right side
    27,805.08x = 509,848,763.90
  5. Step 5: Solve for x
    x = 509,848,763.90/27,805.08
  6. Step 6: Final answer
    x = 18,336.53

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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.