Home / 20,211.38-27,904.47-14,896.94

Finding the Fourth Proportional to 20,211.38, 27,904.47 and 14,896.94

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Solution

The fourth proportional to 20,211.38, 27,904.47 and 14,896.94 is: 20,567.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,211.38 : 27,904.47 = 14,896.94 : x
  2. Step 2: Convert to fraction form
    20,211.38/27,904.47 = 14,896.94/x
  3. Step 3: Cross multiply
    20,211.38x = 27,904.47 × 14,896.94
  4. Step 4: Simplify right side
    20,211.38x = 415,691,215.32
  5. Step 5: Solve for x
    x = 415,691,215.32/20,211.38
  6. Step 6: Final answer
    x = 20,567.19

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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.