Home / 19,929.58-29,898.48-16,665.48

Finding the Fourth Proportional to 19,929.58, 29,898.48 and 16,665.48

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Solution

The fourth proportional to 19,929.58, 29,898.48 and 16,665.48 is: 25,001.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.58 : 29,898.48 = 16,665.48 : x
  2. Step 2: Convert to fraction form
    19,929.58/29,898.48 = 16,665.48/x
  3. Step 3: Cross multiply
    19,929.58x = 29,898.48 × 16,665.48
  4. Step 4: Simplify right side
    19,929.58x = 498,272,582.97
  5. Step 5: Solve for x
    x = 498,272,582.97/19,929.58
  6. Step 6: Final answer
    x = 25,001.66

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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.