Home / 30,801.44-42,505.96-16,654.25

Finding the Fourth Proportional to 30,801.44, 42,505.96 and 16,654.25

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Solution

The fourth proportional to 30,801.44, 42,505.96 and 16,654.25 is: 22,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801.44 : 42,505.96 = 16,654.25 : x
  2. Step 2: Convert to fraction form
    30,801.44/42,505.96 = 16,654.25/x
  3. Step 3: Cross multiply
    30,801.44x = 42,505.96 × 16,654.25
  4. Step 4: Simplify right side
    30,801.44x = 707,904,884.33
  5. Step 5: Solve for x
    x = 707,904,884.33/30,801.44
  6. Step 6: Final answer
    x = 22,982.85

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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.