Home / 29,880.83-41,218.45-18,683.39

Finding the Fourth Proportional to 29,880.83, 41,218.45 and 18,683.39

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Solution

The fourth proportional to 29,880.83, 41,218.45 and 18,683.39 is: 25,772.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,880.83 : 41,218.45 = 18,683.39 : x
  2. Step 2: Convert to fraction form
    29,880.83/41,218.45 = 18,683.39/x
  3. Step 3: Cross multiply
    29,880.83x = 41,218.45 × 18,683.39
  4. Step 4: Simplify right side
    29,880.83x = 770,100,376.55
  5. Step 5: Solve for x
    x = 770,100,376.55/29,880.83
  6. Step 6: Final answer
    x = 25,772.39

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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.