Home / 14,098.32-19,414.08-13,791.60

Finding the Fourth Proportional to 14,098.32, 19,414.08 and 13,791.60

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Solution

The fourth proportional to 14,098.32, 19,414.08 and 13,791.60 is: 18,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.32 : 19,414.08 = 13,791.60 : x
  2. Step 2: Convert to fraction form
    14,098.32/19,414.08 = 13,791.60/x
  3. Step 3: Cross multiply
    14,098.32x = 19,414.08 × 13,791.60
  4. Step 4: Simplify right side
    14,098.32x = 267,751,225.73
  5. Step 5: Solve for x
    x = 267,751,225.73/14,098.32
  6. Step 6: Final answer
    x = 18,991.71

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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.