Home / 16,261.26-22,440.88-9,187.86

Finding the Fourth Proportional to 16,261.26, 22,440.88 and 9,187.86

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Solution

The fourth proportional to 16,261.26, 22,440.88 and 9,187.86 is: 12,679.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,261.26 : 22,440.88 = 9,187.86 : x
  2. Step 2: Convert to fraction form
    16,261.26/22,440.88 = 9,187.86/x
  3. Step 3: Cross multiply
    16,261.26x = 22,440.88 × 9,187.86
  4. Step 4: Simplify right side
    16,261.26x = 206,183,663.72
  5. Step 5: Solve for x
    x = 206,183,663.72/16,261.26
  6. Step 6: Final answer
    x = 12,679.44

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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.