Home / 13,934.66-19,229.85-7,966.49

Finding the Fourth Proportional to 13,934.66, 19,229.85 and 7,966.49

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Solution

The fourth proportional to 13,934.66, 19,229.85 and 7,966.49 is: 10,993.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.66 : 19,229.85 = 7,966.49 : x
  2. Step 2: Convert to fraction form
    13,934.66/19,229.85 = 7,966.49/x
  3. Step 3: Cross multiply
    13,934.66x = 19,229.85 × 7,966.49
  4. Step 4: Simplify right side
    13,934.66x = 153,194,311.58
  5. Step 5: Solve for x
    x = 153,194,311.58/13,934.66
  6. Step 6: Final answer
    x = 10,993.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.