Home / 13,802.05-19,046.28-7,514.43

Finding the Fourth Proportional to 13,802.05, 19,046.28 and 7,514.43

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Solution

The fourth proportional to 13,802.05, 19,046.28 and 7,514.43 is: 10,369.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802.05 : 19,046.28 = 7,514.43 : x
  2. Step 2: Convert to fraction form
    13,802.05/19,046.28 = 7,514.43/x
  3. Step 3: Cross multiply
    13,802.05x = 19,046.28 × 7,514.43
  4. Step 4: Simplify right side
    13,802.05x = 143,121,937.82
  5. Step 5: Solve for x
    x = 143,121,937.82/13,802.05
  6. Step 6: Final answer
    x = 10,369.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.