Home / 16,121.33-22,249.52-9,047.75

Finding the Fourth Proportional to 16,121.33, 22,249.52 and 9,047.75

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Solution

The fourth proportional to 16,121.33, 22,249.52 and 9,047.75 is: 12,487.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.33 : 22,249.52 = 9,047.75 : x
  2. Step 2: Convert to fraction form
    16,121.33/22,249.52 = 9,047.75/x
  3. Step 3: Cross multiply
    16,121.33x = 22,249.52 × 9,047.75
  4. Step 4: Simplify right side
    16,121.33x = 201,308,097.18
  5. Step 5: Solve for x
    x = 201,308,097.18/16,121.33
  6. Step 6: Final answer
    x = 12,487.07

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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.