Home / 13,140.56-19,676.34-10,495.88

Finding the Fourth Proportional to 13,140.56, 19,676.34 and 10,495.88

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Solution

The fourth proportional to 13,140.56, 19,676.34 and 10,495.88 is: 15,716.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140.56 : 19,676.34 = 10,495.88 : x
  2. Step 2: Convert to fraction form
    13,140.56/19,676.34 = 10,495.88/x
  3. Step 3: Cross multiply
    13,140.56x = 19,676.34 × 10,495.88
  4. Step 4: Simplify right side
    13,140.56x = 206,520,503.48
  5. Step 5: Solve for x
    x = 206,520,503.48/13,140.56
  6. Step 6: Final answer
    x = 15,716.26

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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.