Home / 14,268.87-19,691.62-7,895.35

Finding the Fourth Proportional to 14,268.87, 19,691.62 and 7,895.35

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Solution

The fourth proportional to 14,268.87, 19,691.62 and 7,895.35 is: 10,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.87 : 19,691.62 = 7,895.35 : x
  2. Step 2: Convert to fraction form
    14,268.87/19,691.62 = 7,895.35/x
  3. Step 3: Cross multiply
    14,268.87x = 19,691.62 × 7,895.35
  4. Step 4: Simplify right side
    14,268.87x = 155,472,231.97
  5. Step 5: Solve for x
    x = 155,472,231.97/14,268.87
  6. Step 6: Final answer
    x = 10,895.90

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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.