Home / 18,198.16-25,127.15-17,907.53

Finding the Fourth Proportional to 18,198.16, 25,127.15 and 17,907.53

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Solution

The fourth proportional to 18,198.16, 25,127.15 and 17,907.53 is: 24,725.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.16 : 25,127.15 = 17,907.53 : x
  2. Step 2: Convert to fraction form
    18,198.16/25,127.15 = 17,907.53/x
  3. Step 3: Cross multiply
    18,198.16x = 25,127.15 × 17,907.53
  4. Step 4: Simplify right side
    18,198.16x = 449,964,977.27
  5. Step 5: Solve for x
    x = 449,964,977.27/18,198.16
  6. Step 6: Final answer
    x = 24,725.85

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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.