Home / 25,383.72-38,078.13-8,741.56

Finding the Fourth Proportional to 25,383.72, 38,078.13 and 8,741.56

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Solution

The fourth proportional to 25,383.72, 38,078.13 and 8,741.56 is: 13,113.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,383.72 : 38,078.13 = 8,741.56 : x
  2. Step 2: Convert to fraction form
    25,383.72/38,078.13 = 8,741.56/x
  3. Step 3: Cross multiply
    25,383.72x = 38,078.13 × 8,741.56
  4. Step 4: Simplify right side
    25,383.72x = 332,862,258.08
  5. Step 5: Solve for x
    x = 332,862,258.08/25,383.72
  6. Step 6: Final answer
    x = 13,113.22

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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.