Home / 13,532.42-20,300.27-4,765.54

Finding the Fourth Proportional to 13,532.42, 20,300.27 and 4,765.54

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Solution

The fourth proportional to 13,532.42, 20,300.27 and 4,765.54 is: 7,148.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.42 : 20,300.27 = 4,765.54 : x
  2. Step 2: Convert to fraction form
    13,532.42/20,300.27 = 4,765.54/x
  3. Step 3: Cross multiply
    13,532.42x = 20,300.27 × 4,765.54
  4. Step 4: Simplify right side
    13,532.42x = 96,741,748.70
  5. Step 5: Solve for x
    x = 96,741,748.70/13,532.42
  6. Step 6: Final answer
    x = 7,148.89

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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.