Home / 18,996.12-28,496.88-5,849.58

Finding the Fourth Proportional to 18,996.12, 28,496.88 and 5,849.58

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Solution

The fourth proportional to 18,996.12, 28,496.88 and 5,849.58 is: 8,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,996.12 : 28,496.88 = 5,849.58 : x
  2. Step 2: Convert to fraction form
    18,996.12/28,496.88 = 5,849.58/x
  3. Step 3: Cross multiply
    18,996.12x = 28,496.88 × 5,849.58
  4. Step 4: Simplify right side
    18,996.12x = 166,694,779.31
  5. Step 5: Solve for x
    x = 166,694,779.31/18,996.12
  6. Step 6: Final answer
    x = 8,775.20

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1.5x scale

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.