Home / 16,770.66-25,155.96-4,290.70

Finding the Fourth Proportional to 16,770.66, 25,155.96 and 4,290.70

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Solution

The fourth proportional to 16,770.66, 25,155.96 and 4,290.70 is: 6,436.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.66 : 25,155.96 = 4,290.70 : x
  2. Step 2: Convert to fraction form
    16,770.66/25,155.96 = 4,290.70/x
  3. Step 3: Cross multiply
    16,770.66x = 25,155.96 × 4,290.70
  4. Step 4: Simplify right side
    16,770.66x = 107,936,677.57
  5. Step 5: Solve for x
    x = 107,936,677.57/16,770.66
  6. Step 6: Final answer
    x = 6,436.04

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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.