Home / 16,732.88-25,103.16-5,639.28

Finding the Fourth Proportional to 16,732.88, 25,103.16 and 5,639.28

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Solution

The fourth proportional to 16,732.88, 25,103.16 and 5,639.28 is: 8,460.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,732.88 : 25,103.16 = 5,639.28 : x
  2. Step 2: Convert to fraction form
    16,732.88/25,103.16 = 5,639.28/x
  3. Step 3: Cross multiply
    16,732.88x = 25,103.16 × 5,639.28
  4. Step 4: Simplify right side
    16,732.88x = 141,563,748.12
  5. Step 5: Solve for x
    x = 141,563,748.12/16,732.88
  6. Step 6: Final answer
    x = 8,460.21

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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.