Home / 19,391.68-26,759.80-11,850.63

Finding the Fourth Proportional to 19,391.68, 26,759.80 and 11,850.63

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Solution

The fourth proportional to 19,391.68, 26,759.80 and 11,850.63 is: 16,353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.68 : 26,759.80 = 11,850.63 : x
  2. Step 2: Convert to fraction form
    19,391.68/26,759.80 = 11,850.63/x
  3. Step 3: Cross multiply
    19,391.68x = 26,759.80 × 11,850.63
  4. Step 4: Simplify right side
    19,391.68x = 317,120,488.67
  5. Step 5: Solve for x
    x = 317,120,488.67/19,391.68
  6. Step 6: Final answer
    x = 16,353.43

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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.