Home / 15,717.24-23,571-4,621.14

Finding the Fourth Proportional to 15,717.24, 23,571 and 4,621.14

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Solution

The fourth proportional to 15,717.24, 23,571 and 4,621.14 is: 6,930.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,717.24 : 23,571 = 4,621.14 : x
  2. Step 2: Convert to fraction form
    15,717.24/23,571 = 4,621.14/x
  3. Step 3: Cross multiply
    15,717.24x = 23,571 × 4,621.14
  4. Step 4: Simplify right side
    15,717.24x = 108,924,890.94
  5. Step 5: Solve for x
    x = 108,924,890.94/15,717.24
  6. Step 6: Final answer
    x = 6,930.28

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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.