Home / 18,718.25-25,858.52-16,195.98

Finding the Fourth Proportional to 18,718.25, 25,858.52 and 16,195.98

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Solution

The fourth proportional to 18,718.25, 25,858.52 and 16,195.98 is: 22,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,718.25 : 25,858.52 = 16,195.98 : x
  2. Step 2: Convert to fraction form
    18,718.25/25,858.52 = 16,195.98/x
  3. Step 3: Cross multiply
    18,718.25x = 25,858.52 × 16,195.98
  4. Step 4: Simplify right side
    18,718.25x = 418,804,120.57
  5. Step 5: Solve for x
    x = 418,804,120.57/18,718.25
  6. Step 6: Final answer
    x = 22,374.10

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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.