Home / 17,907.80-26,861.56-4,761.10

Finding the Fourth Proportional to 17,907.80, 26,861.56 and 4,761.10

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Solution

The fourth proportional to 17,907.80, 26,861.56 and 4,761.10 is: 7,141.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907.80 : 26,861.56 = 4,761.10 : x
  2. Step 2: Convert to fraction form
    17,907.80/26,861.56 = 4,761.10/x
  3. Step 3: Cross multiply
    17,907.80x = 26,861.56 × 4,761.10
  4. Step 4: Simplify right side
    17,907.80x = 127,890,573.32
  5. Step 5: Solve for x
    x = 127,890,573.32/17,907.80
  6. Step 6: Final answer
    x = 7,141.61

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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.