Home / 12,626.04-18,938.94-4,305.96

Finding the Fourth Proportional to 12,626.04, 18,938.94 and 4,305.96

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Solution

The fourth proportional to 12,626.04, 18,938.94 and 4,305.96 is: 6,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626.04 : 18,938.94 = 4,305.96 : x
  2. Step 2: Convert to fraction form
    12,626.04/18,938.94 = 4,305.96/x
  3. Step 3: Cross multiply
    12,626.04x = 18,938.94 × 4,305.96
  4. Step 4: Simplify right side
    12,626.04x = 81,550,318.08
  5. Step 5: Solve for x
    x = 81,550,318.08/12,626.04
  6. Step 6: Final answer
    x = 6,458.90

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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.