Home / 16,943.40-25,371.90-16,165.80

Finding the Fourth Proportional to 16,943.40, 25,371.90 and 16,165.80

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Solution

The fourth proportional to 16,943.40, 25,371.90 and 16,165.80 is: 24,207.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.40 : 25,371.90 = 16,165.80 : x
  2. Step 2: Convert to fraction form
    16,943.40/25,371.90 = 16,165.80/x
  3. Step 3: Cross multiply
    16,943.40x = 25,371.90 × 16,165.80
  4. Step 4: Simplify right side
    16,943.40x = 410,157,061.02
  5. Step 5: Solve for x
    x = 410,157,061.02/16,943.40
  6. Step 6: Final answer
    x = 24,207.48

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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.