Home / 13,166.64-19,744.29-5,267.79

Finding the Fourth Proportional to 13,166.64, 19,744.29 and 5,267.79

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Solution

The fourth proportional to 13,166.64, 19,744.29 and 5,267.79 is: 7,899.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.64 : 19,744.29 = 5,267.79 : x
  2. Step 2: Convert to fraction form
    13,166.64/19,744.29 = 5,267.79/x
  3. Step 3: Cross multiply
    13,166.64x = 19,744.29 × 5,267.79
  4. Step 4: Simplify right side
    13,166.64x = 104,008,773.42
  5. Step 5: Solve for x
    x = 104,008,773.42/13,166.64
  6. Step 6: Final answer
    x = 7,899.42

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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.