Home / 13,748.46-20,608.60-5,425.10

Finding the Fourth Proportional to 13,748.46, 20,608.60 and 5,425.10

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Solution

The fourth proportional to 13,748.46, 20,608.60 and 5,425.10 is: 8,132.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.46 : 20,608.60 = 5,425.10 : x
  2. Step 2: Convert to fraction form
    13,748.46/20,608.60 = 5,425.10/x
  3. Step 3: Cross multiply
    13,748.46x = 20,608.60 × 5,425.10
  4. Step 4: Simplify right side
    13,748.46x = 111,803,715.86
  5. Step 5: Solve for x
    x = 111,803,715.86/13,748.46
  6. Step 6: Final answer
    x = 8,132.09

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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.