Home / 18,192.69-27,295.71-7,665.36

Finding the Fourth Proportional to 18,192.69, 27,295.71 and 7,665.36

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Solution

The fourth proportional to 18,192.69, 27,295.71 and 7,665.36 is: 11,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.69 : 27,295.71 = 7,665.36 : x
  2. Step 2: Convert to fraction form
    18,192.69/27,295.71 = 7,665.36/x
  3. Step 3: Cross multiply
    18,192.69x = 27,295.71 × 7,665.36
  4. Step 4: Simplify right side
    18,192.69x = 209,231,443.61
  5. Step 5: Solve for x
    x = 209,231,443.61/18,192.69
  6. Step 6: Final answer
    x = 11,500.85

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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.