Home / 13,949.88-19,265.94-8,657.32

Finding the Fourth Proportional to 13,949.88, 19,265.94 and 8,657.32

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Solution

The fourth proportional to 13,949.88, 19,265.94 and 8,657.32 is: 11,956.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.88 : 19,265.94 = 8,657.32 : x
  2. Step 2: Convert to fraction form
    13,949.88/19,265.94 = 8,657.32/x
  3. Step 3: Cross multiply
    13,949.88x = 19,265.94 × 8,657.32
  4. Step 4: Simplify right side
    13,949.88x = 166,791,407.68
  5. Step 5: Solve for x
    x = 166,791,407.68/13,949.88
  6. Step 6: Final answer
    x = 11,956.48

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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.