Home / 19,725.44-27,220.05-10,771.16

Finding the Fourth Proportional to 19,725.44, 27,220.05 and 10,771.16

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Solution

The fourth proportional to 19,725.44, 27,220.05 and 10,771.16 is: 14,863.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.44 : 27,220.05 = 10,771.16 : x
  2. Step 2: Convert to fraction form
    19,725.44/27,220.05 = 10,771.16/x
  3. Step 3: Cross multiply
    19,725.44x = 27,220.05 × 10,771.16
  4. Step 4: Simplify right side
    19,725.44x = 293,191,377.66
  5. Step 5: Solve for x
    x = 293,191,377.66/19,725.44
  6. Step 6: Final answer
    x = 14,863.62

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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.