Home / 12,452.08-18,569.56-11,761.96

Finding the Fourth Proportional to 12,452.08, 18,569.56 and 11,761.96

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Solution

The fourth proportional to 12,452.08, 18,569.56 and 11,761.96 is: 17,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.08 : 18,569.56 = 11,761.96 : x
  2. Step 2: Convert to fraction form
    12,452.08/18,569.56 = 11,761.96/x
  3. Step 3: Cross multiply
    12,452.08x = 18,569.56 × 11,761.96
  4. Step 4: Simplify right side
    12,452.08x = 218,414,421.94
  5. Step 5: Solve for x
    x = 218,414,421.94/12,452.08
  6. Step 6: Final answer
    x = 17,540.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.