Home / 16,685.40-25,028.17-4,839.90

Finding the Fourth Proportional to 16,685.40, 25,028.17 and 4,839.90

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Solution

The fourth proportional to 16,685.40, 25,028.17 and 4,839.90 is: 7,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,685.40 : 25,028.17 = 4,839.90 : x
  2. Step 2: Convert to fraction form
    16,685.40/25,028.17 = 4,839.90/x
  3. Step 3: Cross multiply
    16,685.40x = 25,028.17 × 4,839.90
  4. Step 4: Simplify right side
    16,685.40x = 121,133,839.98
  5. Step 5: Solve for x
    x = 121,133,839.98/16,685.40
  6. Step 6: Final answer
    x = 7,259.87

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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.