Home / 27,920.25-41,869.44-11,277.18

Finding the Fourth Proportional to 27,920.25, 41,869.44 and 11,277.18

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Solution

The fourth proportional to 27,920.25, 41,869.44 and 11,277.18 is: 16,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920.25 : 41,869.44 = 11,277.18 : x
  2. Step 2: Convert to fraction form
    27,920.25/41,869.44 = 11,277.18/x
  3. Step 3: Cross multiply
    27,920.25x = 41,869.44 × 11,277.18
  4. Step 4: Simplify right side
    27,920.25x = 472,169,211.38
  5. Step 5: Solve for x
    x = 472,169,211.38/27,920.25
  6. Step 6: Final answer
    x = 16,911.35

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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.