Home / 17,129.10-25,690.57-4,647.41

Finding the Fourth Proportional to 17,129.10, 25,690.57 and 4,647.41

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Solution

The fourth proportional to 17,129.10, 25,690.57 and 4,647.41 is: 6,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,129.10 : 25,690.57 = 4,647.41 : x
  2. Step 2: Convert to fraction form
    17,129.10/25,690.57 = 4,647.41/x
  3. Step 3: Cross multiply
    17,129.10x = 25,690.57 × 4,647.41
  4. Step 4: Simplify right side
    17,129.10x = 119,394,568.19
  5. Step 5: Solve for x
    x = 119,394,568.19/17,129.10
  6. Step 6: Final answer
    x = 6,970.28

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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.