Home / 43,613.54-65,431.26-17,309.60

Finding the Fourth Proportional to 43,613.54, 65,431.26 and 17,309.60

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Solution

The fourth proportional to 43,613.54, 65,431.26 and 17,309.60 is: 25,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,613.54 : 65,431.26 = 17,309.60 : x
  2. Step 2: Convert to fraction form
    43,613.54/65,431.26 = 17,309.60/x
  3. Step 3: Cross multiply
    43,613.54x = 65,431.26 × 17,309.60
  4. Step 4: Simplify right side
    43,613.54x = 1,132,588,938.10
  5. Step 5: Solve for x
    x = 1,132,588,938.10/43,613.54
  6. Step 6: Final answer
    x = 25,968.75

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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.