Home / 13,567.61-20,351.61-4,207.52

Finding the Fourth Proportional to 13,567.61, 20,351.61 and 4,207.52

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Solution

The fourth proportional to 13,567.61, 20,351.61 and 4,207.52 is: 6,311.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.61 : 20,351.61 = 4,207.52 : x
  2. Step 2: Convert to fraction form
    13,567.61/20,351.61 = 4,207.52/x
  3. Step 3: Cross multiply
    13,567.61x = 20,351.61 × 4,207.52
  4. Step 4: Simplify right side
    13,567.61x = 85,629,704.35
  5. Step 5: Solve for x
    x = 85,629,704.35/13,567.61
  6. Step 6: Final answer
    x = 6,311.34

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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.