Home / 16,220.27-24,328.31-5,128.08

Finding the Fourth Proportional to 16,220.27, 24,328.31 and 5,128.08

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Solution

The fourth proportional to 16,220.27, 24,328.31 and 5,128.08 is: 7,691.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,220.27 : 24,328.31 = 5,128.08 : x
  2. Step 2: Convert to fraction form
    16,220.27/24,328.31 = 5,128.08/x
  3. Step 3: Cross multiply
    16,220.27x = 24,328.31 × 5,128.08
  4. Step 4: Simplify right side
    16,220.27x = 124,757,519.94
  5. Step 5: Solve for x
    x = 124,757,519.94/16,220.27
  6. Step 6: Final answer
    x = 7,691.46

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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.