Home / 15,956.20-23,945.10-7,186.60

Finding the Fourth Proportional to 15,956.20, 23,945.10 and 7,186.60

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Solution

The fourth proportional to 15,956.20, 23,945.10 and 7,186.60 is: 10,784.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,956.20 : 23,945.10 = 7,186.60 : x
  2. Step 2: Convert to fraction form
    15,956.20/23,945.10 = 7,186.60/x
  3. Step 3: Cross multiply
    15,956.20x = 23,945.10 × 7,186.60
  4. Step 4: Simplify right side
    15,956.20x = 172,083,855.66
  5. Step 5: Solve for x
    x = 172,083,855.66/15,956.20
  6. Step 6: Final answer
    x = 10,784.76

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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.