Home / 20,179.26-27,848.28-16,816.44

Finding the Fourth Proportional to 20,179.26, 27,848.28 and 16,816.44

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Solution

The fourth proportional to 20,179.26, 27,848.28 and 16,816.44 is: 23,207.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.26 : 27,848.28 = 16,816.44 : x
  2. Step 2: Convert to fraction form
    20,179.26/27,848.28 = 16,816.44/x
  3. Step 3: Cross multiply
    20,179.26x = 27,848.28 × 16,816.44
  4. Step 4: Simplify right side
    20,179.26x = 468,308,929.72
  5. Step 5: Solve for x
    x = 468,308,929.72/20,179.26
  6. Step 6: Final answer
    x = 23,207.44

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1.5x scale

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.