Home / 13,452.71-18,566.39-8,147.52

Finding the Fourth Proportional to 13,452.71, 18,566.39 and 8,147.52

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Solution

The fourth proportional to 13,452.71, 18,566.39 and 8,147.52 is: 11,244.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.71 : 18,566.39 = 8,147.52 : x
  2. Step 2: Convert to fraction form
    13,452.71/18,566.39 = 8,147.52/x
  3. Step 3: Cross multiply
    13,452.71x = 18,566.39 × 8,147.52
  4. Step 4: Simplify right side
    13,452.71x = 151,270,054.22
  5. Step 5: Solve for x
    x = 151,270,054.22/13,452.71
  6. Step 6: Final answer
    x = 11,244.58

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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.