Home / 16,221.41-24,329.99-5,129.21

Finding the Fourth Proportional to 16,221.41, 24,329.99 and 5,129.21

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Solution

The fourth proportional to 16,221.41, 24,329.99 and 5,129.21 is: 7,693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,221.41 : 24,329.99 = 5,129.21 : x
  2. Step 2: Convert to fraction form
    16,221.41/24,329.99 = 5,129.21/x
  3. Step 3: Cross multiply
    16,221.41x = 24,329.99 × 5,129.21
  4. Step 4: Simplify right side
    16,221.41x = 124,793,480.71
  5. Step 5: Solve for x
    x = 124,793,480.71/16,221.41
  6. Step 6: Final answer
    x = 7,693.14

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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.