Home / 12,719.94-19,083.14-3,954.93

Finding the Fourth Proportional to 12,719.94, 19,083.14 and 3,954.93

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Solution

The fourth proportional to 12,719.94, 19,083.14 and 3,954.93 is: 5,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,719.94 : 19,083.14 = 3,954.93 : x
  2. Step 2: Convert to fraction form
    12,719.94/19,083.14 = 3,954.93/x
  3. Step 3: Cross multiply
    12,719.94x = 19,083.14 × 3,954.93
  4. Step 4: Simplify right side
    12,719.94x = 75,472,482.88
  5. Step 5: Solve for x
    x = 75,472,482.88/12,719.94
  6. Step 6: Final answer
    x = 5,933.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.