Home / 16,764.30-25,117.65-10,917.90

Finding the Fourth Proportional to 16,764.30, 25,117.65 and 10,917.90

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Solution

The fourth proportional to 16,764.30, 25,117.65 and 10,917.90 is: 16,358.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,764.30 : 25,117.65 = 10,917.90 : x
  2. Step 2: Convert to fraction form
    16,764.30/25,117.65 = 10,917.90/x
  3. Step 3: Cross multiply
    16,764.30x = 25,117.65 × 10,917.90
  4. Step 4: Simplify right side
    16,764.30x = 274,231,990.94
  5. Step 5: Solve for x
    x = 274,231,990.94/16,764.30
  6. Step 6: Final answer
    x = 16,358.09

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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.