Home / 15,981.30-23,960.25-7,654.14

Finding the Fourth Proportional to 15,981.30, 23,960.25 and 7,654.14

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Solution

The fourth proportional to 15,981.30, 23,960.25 and 7,654.14 is: 11,475.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.30 : 23,960.25 = 7,654.14 : x
  2. Step 2: Convert to fraction form
    15,981.30/23,960.25 = 7,654.14/x
  3. Step 3: Cross multiply
    15,981.30x = 23,960.25 × 7,654.14
  4. Step 4: Simplify right side
    15,981.30x = 183,395,107.94
  5. Step 5: Solve for x
    x = 183,395,107.94/15,981.30
  6. Step 6: Final answer
    x = 11,475.61

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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.