Home / 15,924.46-21,976.50-8,851

Finding the Fourth Proportional to 15,924.46, 21,976.50 and 8,851

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Solution

The fourth proportional to 15,924.46, 21,976.50 and 8,851 is: 12,214.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,924.46 : 21,976.50 = 8,851 : x
  2. Step 2: Convert to fraction form
    15,924.46/21,976.50 = 8,851/x
  3. Step 3: Cross multiply
    15,924.46x = 21,976.50 × 8,851
  4. Step 4: Simplify right side
    15,924.46x = 194,514,001.50
  5. Step 5: Solve for x
    x = 194,514,001.50/15,924.46
  6. Step 6: Final answer
    x = 12,214.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.