Home / 16,220.52-24,328.68-5,128.33

Finding the Fourth Proportional to 16,220.52, 24,328.68 and 5,128.33

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Solution

The fourth proportional to 16,220.52, 24,328.68 and 5,128.33 is: 7,691.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,220.52 : 24,328.68 = 5,128.33 : x
  2. Step 2: Convert to fraction form
    16,220.52/24,328.68 = 5,128.33/x
  3. Step 3: Cross multiply
    16,220.52x = 24,328.68 × 5,128.33
  4. Step 4: Simplify right side
    16,220.52x = 124,765,499.50
  5. Step 5: Solve for x
    x = 124,765,499.50/16,220.52
  6. Step 6: Final answer
    x = 7,691.83

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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.