Home / 27,479.15-41,221.34-7,488.89

Finding the Fourth Proportional to 27,479.15, 41,221.34 and 7,488.89

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Solution

The fourth proportional to 27,479.15, 41,221.34 and 7,488.89 is: 11,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,479.15 : 41,221.34 = 7,488.89 : x
  2. Step 2: Convert to fraction form
    27,479.15/41,221.34 = 7,488.89/x
  3. Step 3: Cross multiply
    27,479.15x = 41,221.34 × 7,488.89
  4. Step 4: Simplify right side
    27,479.15x = 308,702,043.47
  5. Step 5: Solve for x
    x = 308,702,043.47/27,479.15
  6. Step 6: Final answer
    x = 11,234.05

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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.