Home / 16,769.80-25,155.57-4,289.94

Finding the Fourth Proportional to 16,769.80, 25,155.57 and 4,289.94

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Solution

The fourth proportional to 16,769.80, 25,155.57 and 4,289.94 is: 6,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.80 : 25,155.57 = 4,289.94 : x
  2. Step 2: Convert to fraction form
    16,769.80/25,155.57 = 4,289.94/x
  3. Step 3: Cross multiply
    16,769.80x = 25,155.57 × 4,289.94
  4. Step 4: Simplify right side
    16,769.80x = 107,915,810.19
  5. Step 5: Solve for x
    x = 107,915,810.19/16,769.80
  6. Step 6: Final answer
    x = 6,435.13

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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.