Home / 25,426.38-38,147.02-11,383.28

Finding the Fourth Proportional to 25,426.38, 38,147.02 and 11,383.28

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Solution

The fourth proportional to 25,426.38, 38,147.02 and 11,383.28 is: 17,078.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,426.38 : 38,147.02 = 11,383.28 : x
  2. Step 2: Convert to fraction form
    25,426.38/38,147.02 = 11,383.28/x
  3. Step 3: Cross multiply
    25,426.38x = 38,147.02 × 11,383.28
  4. Step 4: Simplify right side
    25,426.38x = 434,238,209.83
  5. Step 5: Solve for x
    x = 434,238,209.83/25,426.38
  6. Step 6: Final answer
    x = 17,078.26

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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.