Home / 13,683.51-20,524.53-4,195.80

Finding the Fourth Proportional to 13,683.51, 20,524.53 and 4,195.80

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Solution

The fourth proportional to 13,683.51, 20,524.53 and 4,195.80 is: 6,293.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683.51 : 20,524.53 = 4,195.80 : x
  2. Step 2: Convert to fraction form
    13,683.51/20,524.53 = 4,195.80/x
  3. Step 3: Cross multiply
    13,683.51x = 20,524.53 × 4,195.80
  4. Step 4: Simplify right side
    13,683.51x = 86,116,822.97
  5. Step 5: Solve for x
    x = 86,116,822.97/13,683.51
  6. Step 6: Final answer
    x = 6,293.47

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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.