Home / 16,837.35-25,253.58-5,147.43

Finding the Fourth Proportional to 16,837.35, 25,253.58 and 5,147.43

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Solution

The fourth proportional to 16,837.35, 25,253.58 and 5,147.43 is: 7,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,837.35 : 25,253.58 = 5,147.43 : x
  2. Step 2: Convert to fraction form
    16,837.35/25,253.58 = 5,147.43/x
  3. Step 3: Cross multiply
    16,837.35x = 25,253.58 × 5,147.43
  4. Step 4: Simplify right side
    16,837.35x = 129,991,035.30
  5. Step 5: Solve for x
    x = 129,991,035.30/16,837.35
  6. Step 6: Final answer
    x = 7,720.40

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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.