Home / 19,929.96-29,913.44-10,076.18

Finding the Fourth Proportional to 19,929.96, 29,913.44 and 10,076.18

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Solution

The fourth proportional to 19,929.96, 29,913.44 and 10,076.18 is: 15,123.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.96 : 29,913.44 = 10,076.18 : x
  2. Step 2: Convert to fraction form
    19,929.96/29,913.44 = 10,076.18/x
  3. Step 3: Cross multiply
    19,929.96x = 29,913.44 × 10,076.18
  4. Step 4: Simplify right side
    19,929.96x = 301,413,005.91
  5. Step 5: Solve for x
    x = 301,413,005.91/19,929.96
  6. Step 6: Final answer
    x = 15,123.61

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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.