Home / 26,113.56-39,183.84-12,965.64

Finding the Fourth Proportional to 26,113.56, 39,183.84 and 12,965.64

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Solution

The fourth proportional to 26,113.56, 39,183.84 and 12,965.64 is: 19,455.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,113.56 : 39,183.84 = 12,965.64 : x
  2. Step 2: Convert to fraction form
    26,113.56/39,183.84 = 12,965.64/x
  3. Step 3: Cross multiply
    26,113.56x = 39,183.84 × 12,965.64
  4. Step 4: Simplify right side
    26,113.56x = 508,043,563.26
  5. Step 5: Solve for x
    x = 508,043,563.26/26,113.56
  6. Step 6: Final answer
    x = 19,455.16

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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.