Home / 13,727.33-20,590.99-11,872.94

Finding the Fourth Proportional to 13,727.33, 20,590.99 and 11,872.94

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Solution

The fourth proportional to 13,727.33, 20,590.99 and 11,872.94 is: 17,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.33 : 20,590.99 = 11,872.94 : x
  2. Step 2: Convert to fraction form
    13,727.33/20,590.99 = 11,872.94/x
  3. Step 3: Cross multiply
    13,727.33x = 20,590.99 × 11,872.94
  4. Step 4: Simplify right side
    13,727.33x = 244,475,638.78
  5. Step 5: Solve for x
    x = 244,475,638.78/13,727.33
  6. Step 6: Final answer
    x = 17,809.40

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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.