Home / 13,360.67-20,035.20-6,342.69

Finding the Fourth Proportional to 13,360.67, 20,035.20 and 6,342.69

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Solution

The fourth proportional to 13,360.67, 20,035.20 and 6,342.69 is: 9,511.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.67 : 20,035.20 = 6,342.69 : x
  2. Step 2: Convert to fraction form
    13,360.67/20,035.20 = 6,342.69/x
  3. Step 3: Cross multiply
    13,360.67x = 20,035.20 × 6,342.69
  4. Step 4: Simplify right side
    13,360.67x = 127,077,062.69
  5. Step 5: Solve for x
    x = 127,077,062.69/13,360.67
  6. Step 6: Final answer
    x = 9,511.28

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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.