Home / 13,683.46-18,883.14-7,395.82

Finding the Fourth Proportional to 13,683.46, 18,883.14 and 7,395.82

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Solution

The fourth proportional to 13,683.46, 18,883.14 and 7,395.82 is: 10,206.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683.46 : 18,883.14 = 7,395.82 : x
  2. Step 2: Convert to fraction form
    13,683.46/18,883.14 = 7,395.82/x
  3. Step 3: Cross multiply
    13,683.46x = 18,883.14 × 7,395.82
  4. Step 4: Simplify right side
    13,683.46x = 139,656,304.47
  5. Step 5: Solve for x
    x = 139,656,304.47/13,683.46
  6. Step 6: Final answer
    x = 10,206.21

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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.