Home / 18,055.55-27,083.33-17,940.35

Finding the Fourth Proportional to 18,055.55, 27,083.33 and 17,940.35

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Solution

The fourth proportional to 18,055.55, 27,083.33 and 17,940.35 is: 26,910.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,055.55 : 27,083.33 = 17,940.35 : x
  2. Step 2: Convert to fraction form
    18,055.55/27,083.33 = 17,940.35/x
  3. Step 3: Cross multiply
    18,055.55x = 27,083.33 × 17,940.35
  4. Step 4: Simplify right side
    18,055.55x = 485,884,329.66
  5. Step 5: Solve for x
    x = 485,884,329.66/18,055.55
  6. Step 6: Final answer
    x = 26,910.53

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Double scale
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Similar ratio
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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.