Home / 15,649.12-23,471.68-5,118.24

Finding the Fourth Proportional to 15,649.12, 23,471.68 and 5,118.24

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Solution

The fourth proportional to 15,649.12, 23,471.68 and 5,118.24 is: 7,676.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,649.12 : 23,471.68 = 5,118.24 : x
  2. Step 2: Convert to fraction form
    15,649.12/23,471.68 = 5,118.24/x
  3. Step 3: Cross multiply
    15,649.12x = 23,471.68 × 5,118.24
  4. Step 4: Simplify right side
    15,649.12x = 120,133,691.44
  5. Step 5: Solve for x
    x = 120,133,691.44/15,649.12
  6. Step 6: Final answer
    x = 7,676.71

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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.