Home / 20,016.94-27,626.13-11,518.89

Finding the Fourth Proportional to 20,016.94, 27,626.13 and 11,518.89

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Solution

The fourth proportional to 20,016.94, 27,626.13 and 11,518.89 is: 15,897.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.94 : 27,626.13 = 11,518.89 : x
  2. Step 2: Convert to fraction form
    20,016.94/27,626.13 = 11,518.89/x
  3. Step 3: Cross multiply
    20,016.94x = 27,626.13 × 11,518.89
  4. Step 4: Simplify right side
    20,016.94x = 318,222,295.00
  5. Step 5: Solve for x
    x = 318,222,295.00/20,016.94
  6. Step 6: Final answer
    x = 15,897.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.