Home / 13,207.82-19,805.27-6,536.62

Finding the Fourth Proportional to 13,207.82, 19,805.27 and 6,536.62

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Solution

The fourth proportional to 13,207.82, 19,805.27 and 6,536.62 is: 9,801.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.82 : 19,805.27 = 6,536.62 : x
  2. Step 2: Convert to fraction form
    13,207.82/19,805.27 = 6,536.62/x
  3. Step 3: Cross multiply
    13,207.82x = 19,805.27 × 6,536.62
  4. Step 4: Simplify right side
    13,207.82x = 129,459,392.28
  5. Step 5: Solve for x
    x = 129,459,392.28/13,207.82
  6. Step 6: Final answer
    x = 9,801.72

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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.