Home / 17,679.68-26,523.73-5,200.11

Finding the Fourth Proportional to 17,679.68, 26,523.73 and 5,200.11

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Solution

The fourth proportional to 17,679.68, 26,523.73 and 5,200.11 is: 7,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,679.68 : 26,523.73 = 5,200.11 : x
  2. Step 2: Convert to fraction form
    17,679.68/26,523.73 = 5,200.11/x
  3. Step 3: Cross multiply
    17,679.68x = 26,523.73 × 5,200.11
  4. Step 4: Simplify right side
    17,679.68x = 137,926,313.61
  5. Step 5: Solve for x
    x = 137,926,313.61/17,679.68
  6. Step 6: Final answer
    x = 7,801.40

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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.