Home / 19,914.45-29,875.76-16,650.36

Finding the Fourth Proportional to 19,914.45, 29,875.76 and 16,650.36

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Solution

The fourth proportional to 19,914.45, 29,875.76 and 16,650.36 is: 24,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.45 : 29,875.76 = 16,650.36 : x
  2. Step 2: Convert to fraction form
    19,914.45/29,875.76 = 16,650.36/x
  3. Step 3: Cross multiply
    19,914.45x = 29,875.76 × 16,650.36
  4. Step 4: Simplify right side
    19,914.45x = 497,442,076.02
  5. Step 5: Solve for x
    x = 497,442,076.02/19,914.45
  6. Step 6: Final answer
    x = 24,978.95

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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.