Home / 15,145.52-22,721.87-4,757.27

Finding the Fourth Proportional to 15,145.52, 22,721.87 and 4,757.27

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Solution

The fourth proportional to 15,145.52, 22,721.87 and 4,757.27 is: 7,137.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.52 : 22,721.87 = 4,757.27 : x
  2. Step 2: Convert to fraction form
    15,145.52/22,721.87 = 4,757.27/x
  3. Step 3: Cross multiply
    15,145.52x = 22,721.87 × 4,757.27
  4. Step 4: Simplify right side
    15,145.52x = 108,094,070.49
  5. Step 5: Solve for x
    x = 108,094,070.49/15,145.52
  6. Step 6: Final answer
    x = 7,137.03

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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.