Home / 16,669.26-23,003.34-9,115.44

Finding the Fourth Proportional to 16,669.26, 23,003.34 and 9,115.44

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Solution

The fourth proportional to 16,669.26, 23,003.34 and 9,115.44 is: 12,579.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,669.26 : 23,003.34 = 9,115.44 : x
  2. Step 2: Convert to fraction form
    16,669.26/23,003.34 = 9,115.44/x
  3. Step 3: Cross multiply
    16,669.26x = 23,003.34 × 9,115.44
  4. Step 4: Simplify right side
    16,669.26x = 209,685,565.57
  5. Step 5: Solve for x
    x = 209,685,565.57/16,669.26
  6. Step 6: Final answer
    x = 12,579.18

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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.