Home / 15,421.34-23,132.03-3,734.57

Finding the Fourth Proportional to 15,421.34, 23,132.03 and 3,734.57

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Solution

The fourth proportional to 15,421.34, 23,132.03 and 3,734.57 is: 5,601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.34 : 23,132.03 = 3,734.57 : x
  2. Step 2: Convert to fraction form
    15,421.34/23,132.03 = 3,734.57/x
  3. Step 3: Cross multiply
    15,421.34x = 23,132.03 × 3,734.57
  4. Step 4: Simplify right side
    15,421.34x = 86,388,224.43
  5. Step 5: Solve for x
    x = 86,388,224.43/15,421.34
  6. Step 6: Final answer
    x = 5,601.86

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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.