Home / 17,931.88-26,899.23-5,453.02

Finding the Fourth Proportional to 17,931.88, 26,899.23 and 5,453.02

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Solution

The fourth proportional to 17,931.88, 26,899.23 and 5,453.02 is: 8,179.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,931.88 : 26,899.23 = 5,453.02 : x
  2. Step 2: Convert to fraction form
    17,931.88/26,899.23 = 5,453.02/x
  3. Step 3: Cross multiply
    17,931.88x = 26,899.23 × 5,453.02
  4. Step 4: Simplify right side
    17,931.88x = 146,682,039.17
  5. Step 5: Solve for x
    x = 146,682,039.17/17,931.88
  6. Step 6: Final answer
    x = 8,179.96

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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.