Home / 15,796.98-21,734.46-11,998.08

Finding the Fourth Proportional to 15,796.98, 21,734.46 and 11,998.08

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Solution

The fourth proportional to 15,796.98, 21,734.46 and 11,998.08 is: 16,507.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,796.98 : 21,734.46 = 11,998.08 : x
  2. Step 2: Convert to fraction form
    15,796.98/21,734.46 = 11,998.08/x
  3. Step 3: Cross multiply
    15,796.98x = 21,734.46 × 11,998.08
  4. Step 4: Simplify right side
    15,796.98x = 260,771,789.84
  5. Step 5: Solve for x
    x = 260,771,789.84/15,796.98
  6. Step 6: Final answer
    x = 16,507.70

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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.