Home / 13,682.67-18,882.09-7,395.04

Finding the Fourth Proportional to 13,682.67, 18,882.09 and 7,395.04

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Solution

The fourth proportional to 13,682.67, 18,882.09 and 7,395.04 is: 10,205.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,682.67 : 18,882.09 = 7,395.04 : x
  2. Step 2: Convert to fraction form
    13,682.67/18,882.09 = 7,395.04/x
  3. Step 3: Cross multiply
    13,682.67x = 18,882.09 × 7,395.04
  4. Step 4: Simplify right side
    13,682.67x = 139,633,810.83
  5. Step 5: Solve for x
    x = 139,633,810.83/13,682.67
  6. Step 6: Final answer
    x = 10,205.16

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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.