Home / 19,604.25-27,057.51-11,220.75

Finding the Fourth Proportional to 19,604.25, 27,057.51 and 11,220.75

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Solution

The fourth proportional to 19,604.25, 27,057.51 and 11,220.75 is: 15,486.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.25 : 27,057.51 = 11,220.75 : x
  2. Step 2: Convert to fraction form
    19,604.25/27,057.51 = 11,220.75/x
  3. Step 3: Cross multiply
    19,604.25x = 27,057.51 × 11,220.75
  4. Step 4: Simplify right side
    19,604.25x = 303,605,555.33
  5. Step 5: Solve for x
    x = 303,605,555.33/19,604.25
  6. Step 6: Final answer
    x = 15,486.72

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Half scale
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Double scale
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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.