Home / 23,613.20-35,419.80-18,083.60

Finding the Fourth Proportional to 23,613.20, 35,419.80 and 18,083.60

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Solution

The fourth proportional to 23,613.20, 35,419.80 and 18,083.60 is: 27,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,613.20 : 35,419.80 = 18,083.60 : x
  2. Step 2: Convert to fraction form
    23,613.20/35,419.80 = 18,083.60/x
  3. Step 3: Cross multiply
    23,613.20x = 35,419.80 × 18,083.60
  4. Step 4: Simplify right side
    23,613.20x = 640,517,495.28
  5. Step 5: Solve for x
    x = 640,517,495.28/23,613.20
  6. Step 6: Final answer
    x = 27,125.40

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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.