Home / 19,767.83-27,278.44-10,813.55

Finding the Fourth Proportional to 19,767.83, 27,278.44 and 10,813.55

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Solution

The fourth proportional to 19,767.83, 27,278.44 and 10,813.55 is: 14,922.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.83 : 27,278.44 = 10,813.55 : x
  2. Step 2: Convert to fraction form
    19,767.83/27,278.44 = 10,813.55/x
  3. Step 3: Cross multiply
    19,767.83x = 27,278.44 × 10,813.55
  4. Step 4: Simplify right side
    19,767.83x = 294,976,611.44
  5. Step 5: Solve for x
    x = 294,976,611.44/19,767.83
  6. Step 6: Final answer
    x = 14,922.06

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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.