Home / 13,567.60-20,349.44-5,251.54

Finding the Fourth Proportional to 13,567.60, 20,349.44 and 5,251.54

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Solution

The fourth proportional to 13,567.60, 20,349.44 and 5,251.54 is: 7,876.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.60 : 20,349.44 = 5,251.54 : x
  2. Step 2: Convert to fraction form
    13,567.60/20,349.44 = 5,251.54/x
  3. Step 3: Cross multiply
    13,567.60x = 20,349.44 × 5,251.54
  4. Step 4: Simplify right side
    13,567.60x = 106,865,898.14
  5. Step 5: Solve for x
    x = 106,865,898.14/13,567.60
  6. Step 6: Final answer
    x = 7,876.55

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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.