Home / 16,769.25-25,155.70-6,381

Finding the Fourth Proportional to 16,769.25, 25,155.70 and 6,381

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Solution

The fourth proportional to 16,769.25, 25,155.70 and 6,381 is: 9,572.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.25 : 25,155.70 = 6,381 : x
  2. Step 2: Convert to fraction form
    16,769.25/25,155.70 = 6,381/x
  3. Step 3: Cross multiply
    16,769.25x = 25,155.70 × 6,381
  4. Step 4: Simplify right side
    16,769.25x = 160,518,505.75
  5. Step 5: Solve for x
    x = 160,518,505.75/16,769.25
  6. Step 6: Final answer
    x = 9,572.19

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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.