Home / 19,725.42-27,224.61-11,658.75

Finding the Fourth Proportional to 19,725.42, 27,224.61 and 11,658.75

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Solution

The fourth proportional to 19,725.42, 27,224.61 and 11,658.75 is: 16,091.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.42 : 27,224.61 = 11,658.75 : x
  2. Step 2: Convert to fraction form
    19,725.42/27,224.61 = 11,658.75/x
  3. Step 3: Cross multiply
    19,725.42x = 27,224.61 × 11,658.75
  4. Step 4: Simplify right side
    19,725.42x = 317,404,921.84
  5. Step 5: Solve for x
    x = 317,404,921.84/19,725.42
  6. Step 6: Final answer
    x = 16,091.16

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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.