Home / 13,682.91-18,882.41-7,395.29

Finding the Fourth Proportional to 13,682.91, 18,882.41 and 7,395.29

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Solution

The fourth proportional to 13,682.91, 18,882.41 and 7,395.29 is: 10,205.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,682.91 : 18,882.41 = 7,395.29 : x
  2. Step 2: Convert to fraction form
    13,682.91/18,882.41 = 7,395.29/x
  3. Step 3: Cross multiply
    13,682.91x = 18,882.41 × 7,395.29
  4. Step 4: Simplify right side
    13,682.91x = 139,640,766.46
  5. Step 5: Solve for x
    x = 139,640,766.46/13,682.91
  6. Step 6: Final answer
    x = 10,205.49

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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.