Home / 27,578.12-41,330.82-10,929.08

Finding the Fourth Proportional to 27,578.12, 41,330.82 and 10,929.08

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Solution

The fourth proportional to 27,578.12, 41,330.82 and 10,929.08 is: 16,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578.12 : 41,330.82 = 10,929.08 : x
  2. Step 2: Convert to fraction form
    27,578.12/41,330.82 = 10,929.08/x
  3. Step 3: Cross multiply
    27,578.12x = 41,330.82 × 10,929.08
  4. Step 4: Simplify right side
    27,578.12x = 451,707,631.59
  5. Step 5: Solve for x
    x = 451,707,631.59/27,578.12
  6. Step 6: Final answer
    x = 16,379.21

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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.