Home / 16,720.12-23,073.62-9,166.87

Finding the Fourth Proportional to 16,720.12, 23,073.62 and 9,166.87

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Solution

The fourth proportional to 16,720.12, 23,073.62 and 9,166.87 is: 12,650.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.12 : 23,073.62 = 9,166.87 : x
  2. Step 2: Convert to fraction form
    16,720.12/23,073.62 = 9,166.87/x
  3. Step 3: Cross multiply
    16,720.12x = 23,073.62 × 9,166.87
  4. Step 4: Simplify right side
    16,720.12x = 211,512,874.97
  5. Step 5: Solve for x
    x = 211,512,874.97/16,720.12
  6. Step 6: Final answer
    x = 12,650.20

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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.