Home / 13,117.69-19,672.27-4,350.25

Finding the Fourth Proportional to 13,117.69, 19,672.27 and 4,350.25

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Solution

The fourth proportional to 13,117.69, 19,672.27 and 4,350.25 is: 6,523.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.69 : 19,672.27 = 4,350.25 : x
  2. Step 2: Convert to fraction form
    13,117.69/19,672.27 = 4,350.25/x
  3. Step 3: Cross multiply
    13,117.69x = 19,672.27 × 4,350.25
  4. Step 4: Simplify right side
    13,117.69x = 85,579,292.57
  5. Step 5: Solve for x
    x = 85,579,292.57/13,117.69
  6. Step 6: Final answer
    x = 6,523.96

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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.