Home / 25,243.41-34,835.44-13,758.42

Finding the Fourth Proportional to 25,243.41, 34,835.44 and 13,758.42

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Solution

The fourth proportional to 25,243.41, 34,835.44 and 13,758.42 is: 18,986.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,243.41 : 34,835.44 = 13,758.42 : x
  2. Step 2: Convert to fraction form
    25,243.41/34,835.44 = 13,758.42/x
  3. Step 3: Cross multiply
    25,243.41x = 34,835.44 × 13,758.42
  4. Step 4: Simplify right side
    25,243.41x = 479,280,481.21
  5. Step 5: Solve for x
    x = 479,280,481.21/25,243.41
  6. Step 6: Final answer
    x = 18,986.36

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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.