Home / 19,429.48-29,105.62-14,971.68

Finding the Fourth Proportional to 19,429.48, 29,105.62 and 14,971.68

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Solution

The fourth proportional to 19,429.48, 29,105.62 and 14,971.68 is: 22,427.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429.48 : 29,105.62 = 14,971.68 : x
  2. Step 2: Convert to fraction form
    19,429.48/29,105.62 = 14,971.68/x
  3. Step 3: Cross multiply
    19,429.48x = 29,105.62 × 14,971.68
  4. Step 4: Simplify right side
    19,429.48x = 435,760,028.84
  5. Step 5: Solve for x
    x = 435,760,028.84/19,429.48
  6. Step 6: Final answer
    x = 22,427.78

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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.