Home / 16,936.81-25,408.74-5,090.11

Finding the Fourth Proportional to 16,936.81, 25,408.74 and 5,090.11

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Solution

The fourth proportional to 16,936.81, 25,408.74 and 5,090.11 is: 7,636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,936.81 : 25,408.74 = 5,090.11 : x
  2. Step 2: Convert to fraction form
    16,936.81/25,408.74 = 5,090.11/x
  3. Step 3: Cross multiply
    16,936.81x = 25,408.74 × 5,090.11
  4. Step 4: Simplify right side
    16,936.81x = 129,333,281.56
  5. Step 5: Solve for x
    x = 129,333,281.56/16,936.81
  6. Step 6: Final answer
    x = 7,636.22

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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.