Home / 15,913.29-23,855.34-5,517.75

Finding the Fourth Proportional to 15,913.29, 23,855.34 and 5,517.75

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Solution

The fourth proportional to 15,913.29, 23,855.34 and 5,517.75 is: 8,271.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913.29 : 23,855.34 = 5,517.75 : x
  2. Step 2: Convert to fraction form
    15,913.29/23,855.34 = 5,517.75/x
  3. Step 3: Cross multiply
    15,913.29x = 23,855.34 × 5,517.75
  4. Step 4: Simplify right side
    15,913.29x = 131,627,802.29
  5. Step 5: Solve for x
    x = 131,627,802.29/15,913.29
  6. Step 6: Final answer
    x = 8,271.56

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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.