Home / 15,162.96-22,745.66-5,298.78

Finding the Fourth Proportional to 15,162.96, 22,745.66 and 5,298.78

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Solution

The fourth proportional to 15,162.96, 22,745.66 and 5,298.78 is: 7,948.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,162.96 : 22,745.66 = 5,298.78 : x
  2. Step 2: Convert to fraction form
    15,162.96/22,745.66 = 5,298.78/x
  3. Step 3: Cross multiply
    15,162.96x = 22,745.66 × 5,298.78
  4. Step 4: Simplify right side
    15,162.96x = 120,524,221.80
  5. Step 5: Solve for x
    x = 120,524,221.80/15,162.96
  6. Step 6: Final answer
    x = 7,948.59

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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.