Home / 15,977.43-23,965.74-6,615

Finding the Fourth Proportional to 15,977.43, 23,965.74 and 6,615

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Solution

The fourth proportional to 15,977.43, 23,965.74 and 6,615 is: 9,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.43 : 23,965.74 = 6,615 : x
  2. Step 2: Convert to fraction form
    15,977.43/23,965.74 = 6,615/x
  3. Step 3: Cross multiply
    15,977.43x = 23,965.74 × 6,615
  4. Step 4: Simplify right side
    15,977.43x = 158,533,370.10
  5. Step 5: Solve for x
    x = 158,533,370.10/15,977.43
  6. Step 6: Final answer
    x = 9,922.33

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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.