Home / 15,455.52-23,161.68-7,656.48

Finding the Fourth Proportional to 15,455.52, 23,161.68 and 7,656.48

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Solution

The fourth proportional to 15,455.52, 23,161.68 and 7,656.48 is: 11,474.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.52 : 23,161.68 = 7,656.48 : x
  2. Step 2: Convert to fraction form
    15,455.52/23,161.68 = 7,656.48/x
  3. Step 3: Cross multiply
    15,455.52x = 23,161.68 × 7,656.48
  4. Step 4: Simplify right side
    15,455.52x = 177,336,939.69
  5. Step 5: Solve for x
    x = 177,336,939.69/15,455.52
  6. Step 6: Final answer
    x = 11,474.02

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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.