Home / 19,454.94-26,862.84-15,198.60

Finding the Fourth Proportional to 19,454.94, 26,862.84 and 15,198.60

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Solution

The fourth proportional to 19,454.94, 26,862.84 and 15,198.60 is: 20,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,454.94 : 26,862.84 = 15,198.60 : x
  2. Step 2: Convert to fraction form
    19,454.94/26,862.84 = 15,198.60/x
  3. Step 3: Cross multiply
    19,454.94x = 26,862.84 × 15,198.60
  4. Step 4: Simplify right side
    19,454.94x = 408,277,560.02
  5. Step 5: Solve for x
    x = 408,277,560.02/19,454.94
  6. Step 6: Final answer
    x = 20,985.80

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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.