Home / 15,775.55-23,654.44-5,239.93

Finding the Fourth Proportional to 15,775.55, 23,654.44 and 5,239.93

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Solution

The fourth proportional to 15,775.55, 23,654.44 and 5,239.93 is: 7,856.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,775.55 : 23,654.44 = 5,239.93 : x
  2. Step 2: Convert to fraction form
    15,775.55/23,654.44 = 5,239.93/x
  3. Step 3: Cross multiply
    15,775.55x = 23,654.44 × 5,239.93
  4. Step 4: Simplify right side
    15,775.55x = 123,947,512.85
  5. Step 5: Solve for x
    x = 123,947,512.85/15,775.55
  6. Step 6: Final answer
    x = 7,856.94

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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.