Home / 15,012.30-22,519.58-4,481.49

Finding the Fourth Proportional to 15,012.30, 22,519.58 and 4,481.49

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Solution

The fourth proportional to 15,012.30, 22,519.58 and 4,481.49 is: 6,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.30 : 22,519.58 = 4,481.49 : x
  2. Step 2: Convert to fraction form
    15,012.30/22,519.58 = 4,481.49/x
  3. Step 3: Cross multiply
    15,012.30x = 22,519.58 × 4,481.49
  4. Step 4: Simplify right side
    15,012.30x = 100,921,272.57
  5. Step 5: Solve for x
    x = 100,921,272.57/15,012.30
  6. Step 6: Final answer
    x = 6,722.57

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1.5x scale

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.