Home / 15,933.44-21,973.08-12,149.96

Finding the Fourth Proportional to 15,933.44, 21,973.08 and 12,149.96

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Solution

The fourth proportional to 15,933.44, 21,973.08 and 12,149.96 is: 16,755.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,933.44 : 21,973.08 = 12,149.96 : x
  2. Step 2: Convert to fraction form
    15,933.44/21,973.08 = 12,149.96/x
  3. Step 3: Cross multiply
    15,933.44x = 21,973.08 × 12,149.96
  4. Step 4: Simplify right side
    15,933.44x = 266,972,043.08
  5. Step 5: Solve for x
    x = 266,972,043.08/15,933.44
  6. Step 6: Final answer
    x = 16,755.46

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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.