Home / 16,815.24-23,204.82-9,261.42

Finding the Fourth Proportional to 16,815.24, 23,204.82 and 9,261.42

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Solution

The fourth proportional to 16,815.24, 23,204.82 and 9,261.42 is: 12,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.24 : 23,204.82 = 9,261.42 : x
  2. Step 2: Convert to fraction form
    16,815.24/23,204.82 = 9,261.42/x
  3. Step 3: Cross multiply
    16,815.24x = 23,204.82 × 9,261.42
  4. Step 4: Simplify right side
    16,815.24x = 214,909,584.04
  5. Step 5: Solve for x
    x = 214,909,584.04/16,815.24
  6. Step 6: Final answer
    x = 12,780.64

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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.