Home / 15,135.46-22,707.03-4,747.30

Finding the Fourth Proportional to 15,135.46, 22,707.03 and 4,747.30

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Solution

The fourth proportional to 15,135.46, 22,707.03 and 4,747.30 is: 7,122.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135.46 : 22,707.03 = 4,747.30 : x
  2. Step 2: Convert to fraction form
    15,135.46/22,707.03 = 4,747.30/x
  3. Step 3: Cross multiply
    15,135.46x = 22,707.03 × 4,747.30
  4. Step 4: Simplify right side
    15,135.46x = 107,797,083.52
  5. Step 5: Solve for x
    x = 107,797,083.52/15,135.46
  6. Step 6: Final answer
    x = 7,122.15

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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.