Home / 13,959.06-19,258.74-8,651.94

Finding the Fourth Proportional to 13,959.06, 19,258.74 and 8,651.94

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Solution

The fourth proportional to 13,959.06, 19,258.74 and 8,651.94 is: 11,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959.06 : 19,258.74 = 8,651.94 : x
  2. Step 2: Convert to fraction form
    13,959.06/19,258.74 = 8,651.94/x
  3. Step 3: Cross multiply
    13,959.06x = 19,258.74 × 8,651.94
  4. Step 4: Simplify right side
    13,959.06x = 166,625,462.96
  5. Step 5: Solve for x
    x = 166,625,462.96/13,959.06
  6. Step 6: Final answer
    x = 11,936.73

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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.