Home / 25,939.31-38,857.73-13,467.47

Finding the Fourth Proportional to 25,939.31, 38,857.73 and 13,467.47

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Solution

The fourth proportional to 25,939.31, 38,857.73 and 13,467.47 is: 20,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,939.31 : 38,857.73 = 13,467.47 : x
  2. Step 2: Convert to fraction form
    25,939.31/38,857.73 = 13,467.47/x
  3. Step 3: Cross multiply
    25,939.31x = 38,857.73 × 13,467.47
  4. Step 4: Simplify right side
    25,939.31x = 523,315,051.42
  5. Step 5: Solve for x
    x = 523,315,051.42/25,939.31
  6. Step 6: Final answer
    x = 20,174.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.