Home / 16,778.48-25,158.12-5,528.48

Finding the Fourth Proportional to 16,778.48, 25,158.12 and 5,528.48

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Solution

The fourth proportional to 16,778.48, 25,158.12 and 5,528.48 is: 8,289.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.48 : 25,158.12 = 5,528.48 : x
  2. Step 2: Convert to fraction form
    16,778.48/25,158.12 = 5,528.48/x
  3. Step 3: Cross multiply
    16,778.48x = 25,158.12 × 5,528.48
  4. Step 4: Simplify right side
    16,778.48x = 139,086,163.26
  5. Step 5: Solve for x
    x = 139,086,163.26/16,778.48
  6. Step 6: Final answer
    x = 8,289.56

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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.