Home / 16,780.59-25,156.31-6,913.04

Finding the Fourth Proportional to 16,780.59, 25,156.31 and 6,913.04

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Solution

The fourth proportional to 16,780.59, 25,156.31 and 6,913.04 is: 10,363.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.59 : 25,156.31 = 6,913.04 : x
  2. Step 2: Convert to fraction form
    16,780.59/25,156.31 = 6,913.04/x
  3. Step 3: Cross multiply
    16,780.59x = 25,156.31 × 6,913.04
  4. Step 4: Simplify right side
    16,780.59x = 173,906,416.94
  5. Step 5: Solve for x
    x = 173,906,416.94/16,780.59
  6. Step 6: Final answer
    x = 10,363.55

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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.