Home / 15,432.56-23,148.66-3,745.77

Finding the Fourth Proportional to 15,432.56, 23,148.66 and 3,745.77

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Solution

The fourth proportional to 15,432.56, 23,148.66 and 3,745.77 is: 5,618.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432.56 : 23,148.66 = 3,745.77 : x
  2. Step 2: Convert to fraction form
    15,432.56/23,148.66 = 3,745.77/x
  3. Step 3: Cross multiply
    15,432.56x = 23,148.66 × 3,745.77
  4. Step 4: Simplify right side
    15,432.56x = 86,709,556.17
  5. Step 5: Solve for x
    x = 86,709,556.17/15,432.56
  6. Step 6: Final answer
    x = 5,618.61

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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.