Home / 17,907.43-26,861.12-4,759.81

Finding the Fourth Proportional to 17,907.43, 26,861.12 and 4,759.81

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Solution

The fourth proportional to 17,907.43, 26,861.12 and 4,759.81 is: 7,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907.43 : 26,861.12 = 4,759.81 : x
  2. Step 2: Convert to fraction form
    17,907.43/26,861.12 = 4,759.81/x
  3. Step 3: Cross multiply
    17,907.43x = 26,861.12 × 4,759.81
  4. Step 4: Simplify right side
    17,907.43x = 127,853,705.18
  5. Step 5: Solve for x
    x = 127,853,705.18/17,907.43
  6. Step 6: Final answer
    x = 7,139.70

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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.