Home / 13,683.26-18,882.92-7,395.62

Finding the Fourth Proportional to 13,683.26, 18,882.92 and 7,395.62

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Solution

The fourth proportional to 13,683.26, 18,882.92 and 7,395.62 is: 10,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683.26 : 18,882.92 = 7,395.62 : x
  2. Step 2: Convert to fraction form
    13,683.26/18,882.92 = 7,395.62/x
  3. Step 3: Cross multiply
    13,683.26x = 18,882.92 × 7,395.62
  4. Step 4: Simplify right side
    13,683.26x = 139,650,900.81
  5. Step 5: Solve for x
    x = 139,650,900.81/13,683.26
  6. Step 6: Final answer
    x = 10,205.97

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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.