Home / 14,039.44-19,374.12-7,665.79

Finding the Fourth Proportional to 14,039.44, 19,374.12 and 7,665.79

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Solution

The fourth proportional to 14,039.44, 19,374.12 and 7,665.79 is: 10,578.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.44 : 19,374.12 = 7,665.79 : x
  2. Step 2: Convert to fraction form
    14,039.44/19,374.12 = 7,665.79/x
  3. Step 3: Cross multiply
    14,039.44x = 19,374.12 × 7,665.79
  4. Step 4: Simplify right side
    14,039.44x = 148,517,935.35
  5. Step 5: Solve for x
    x = 148,517,935.35/14,039.44
  6. Step 6: Final answer
    x = 10,578.62

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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.