Home / 25,865.48-38,791.14-7,141.04

Finding the Fourth Proportional to 25,865.48, 38,791.14 and 7,141.04

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Solution

The fourth proportional to 25,865.48, 38,791.14 and 7,141.04 is: 10,709.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,865.48 : 38,791.14 = 7,141.04 : x
  2. Step 2: Convert to fraction form
    25,865.48/38,791.14 = 7,141.04/x
  3. Step 3: Cross multiply
    25,865.48x = 38,791.14 × 7,141.04
  4. Step 4: Simplify right side
    25,865.48x = 277,009,082.39
  5. Step 5: Solve for x
    x = 277,009,082.39/25,865.48
  6. Step 6: Final answer
    x = 10,709.61

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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.