Home / 23,106.88-31,860.84-19,739.44

Finding the Fourth Proportional to 23,106.88, 31,860.84 and 19,739.44

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Solution

The fourth proportional to 23,106.88, 31,860.84 and 19,739.44 is: 27,217.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,106.88 : 31,860.84 = 19,739.44 : x
  2. Step 2: Convert to fraction form
    23,106.88/31,860.84 = 19,739.44/x
  3. Step 3: Cross multiply
    23,106.88x = 31,860.84 × 19,739.44
  4. Step 4: Simplify right side
    23,106.88x = 628,915,139.53
  5. Step 5: Solve for x
    x = 628,915,139.53/23,106.88
  6. Step 6: Final answer
    x = 27,217.66

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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.