Home / 15,145.62-22,722.02-4,757.37

Finding the Fourth Proportional to 15,145.62, 22,722.02 and 4,757.37

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Solution

The fourth proportional to 15,145.62, 22,722.02 and 4,757.37 is: 7,137.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.62 : 22,722.02 = 4,757.37 : x
  2. Step 2: Convert to fraction form
    15,145.62/22,722.02 = 4,757.37/x
  3. Step 3: Cross multiply
    15,145.62x = 22,722.02 × 4,757.37
  4. Step 4: Simplify right side
    15,145.62x = 108,096,918.89
  5. Step 5: Solve for x
    x = 108,096,918.89/15,145.62
  6. Step 6: Final answer
    x = 7,137.18

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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.