Home / 16,415.43-24,564.81-12,021.99

Finding the Fourth Proportional to 16,415.43, 24,564.81 and 12,021.99

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Solution

The fourth proportional to 16,415.43, 24,564.81 and 12,021.99 is: 17,990.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,415.43 : 24,564.81 = 12,021.99 : x
  2. Step 2: Convert to fraction form
    16,415.43/24,564.81 = 12,021.99/x
  3. Step 3: Cross multiply
    16,415.43x = 24,564.81 × 12,021.99
  4. Step 4: Simplify right side
    16,415.43x = 295,317,900.17
  5. Step 5: Solve for x
    x = 295,317,900.17/16,415.43
  6. Step 6: Final answer
    x = 17,990.26

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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.