Home / 12,565.26-18,736.86-12,452.64

Finding the Fourth Proportional to 12,565.26, 18,736.86 and 12,452.64

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Solution

The fourth proportional to 12,565.26, 18,736.86 and 12,452.64 is: 18,568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,565.26 : 18,736.86 = 12,452.64 : x
  2. Step 2: Convert to fraction form
    12,565.26/18,736.86 = 12,452.64/x
  3. Step 3: Cross multiply
    12,565.26x = 18,736.86 × 12,452.64
  4. Step 4: Simplify right side
    12,565.26x = 233,323,372.31
  5. Step 5: Solve for x
    x = 233,323,372.31/12,565.26
  6. Step 6: Final answer
    x = 18,568.93

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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.