Home / 15,175.37-22,769.13-5,321.72

Finding the Fourth Proportional to 15,175.37, 22,769.13 and 5,321.72

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Solution

The fourth proportional to 15,175.37, 22,769.13 and 5,321.72 is: 7,984.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,175.37 : 22,769.13 = 5,321.72 : x
  2. Step 2: Convert to fraction form
    15,175.37/22,769.13 = 5,321.72/x
  3. Step 3: Cross multiply
    15,175.37x = 22,769.13 × 5,321.72
  4. Step 4: Simplify right side
    15,175.37x = 121,170,934.50
  5. Step 5: Solve for x
    x = 121,170,934.50/15,175.37
  6. Step 6: Final answer
    x = 7,984.71

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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.