Home / 27,680.98-41,488.97-12,858.66

Finding the Fourth Proportional to 27,680.98, 41,488.97 and 12,858.66

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Solution

The fourth proportional to 27,680.98, 41,488.97 and 12,858.66 is: 19,272.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680.98 : 41,488.97 = 12,858.66 : x
  2. Step 2: Convert to fraction form
    27,680.98/41,488.97 = 12,858.66/x
  3. Step 3: Cross multiply
    27,680.98x = 41,488.97 × 12,858.66
  4. Step 4: Simplify right side
    27,680.98x = 533,492,558.98
  5. Step 5: Solve for x
    x = 533,492,558.98/27,680.98
  6. Step 6: Final answer
    x = 19,272.89

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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.