Home / 13,192.82-18,204.39-7,527.23

Finding the Fourth Proportional to 13,192.82, 18,204.39 and 7,527.23

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Solution

The fourth proportional to 13,192.82, 18,204.39 and 7,527.23 is: 10,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.82 : 18,204.39 = 7,527.23 : x
  2. Step 2: Convert to fraction form
    13,192.82/18,204.39 = 7,527.23/x
  3. Step 3: Cross multiply
    13,192.82x = 18,204.39 × 7,527.23
  4. Step 4: Simplify right side
    13,192.82x = 137,028,630.54
  5. Step 5: Solve for x
    x = 137,028,630.54/13,192.82
  6. Step 6: Final answer
    x = 10,386.61

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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.