Home / 12,585.43-18,768.25-11,032.66

Finding the Fourth Proportional to 12,585.43, 18,768.25 and 11,032.66

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Solution

The fourth proportional to 12,585.43, 18,768.25 and 11,032.66 is: 16,452.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585.43 : 18,768.25 = 11,032.66 : x
  2. Step 2: Convert to fraction form
    12,585.43/18,768.25 = 11,032.66/x
  3. Step 3: Cross multiply
    12,585.43x = 18,768.25 × 11,032.66
  4. Step 4: Simplify right side
    12,585.43x = 207,063,721.05
  5. Step 5: Solve for x
    x = 207,063,721.05/12,585.43
  6. Step 6: Final answer
    x = 16,452.65

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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.