Home / 13,489.12-20,236.56-6,567.52

Finding the Fourth Proportional to 13,489.12, 20,236.56 and 6,567.52

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Solution

The fourth proportional to 13,489.12, 20,236.56 and 6,567.52 is: 9,852.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,489.12 : 20,236.56 = 6,567.52 : x
  2. Step 2: Convert to fraction form
    13,489.12/20,236.56 = 6,567.52/x
  3. Step 3: Cross multiply
    13,489.12x = 20,236.56 × 6,567.52
  4. Step 4: Simplify right side
    13,489.12x = 132,904,012.53
  5. Step 5: Solve for x
    x = 132,904,012.53/13,489.12
  6. Step 6: Final answer
    x = 9,852.68

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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.