Home / 15,629.20-23,446.54-10,087.90

Finding the Fourth Proportional to 15,629.20, 23,446.54 and 10,087.90

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Solution

The fourth proportional to 15,629.20, 23,446.54 and 10,087.90 is: 15,133.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,629.20 : 23,446.54 = 10,087.90 : x
  2. Step 2: Convert to fraction form
    15,629.20/23,446.54 = 10,087.90/x
  3. Step 3: Cross multiply
    15,629.20x = 23,446.54 × 10,087.90
  4. Step 4: Simplify right side
    15,629.20x = 236,526,350.87
  5. Step 5: Solve for x
    x = 236,526,350.87/15,629.20
  6. Step 6: Final answer
    x = 15,133.62

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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.