Home / 16,262.78-22,440.16-9,186.62

Finding the Fourth Proportional to 16,262.78, 22,440.16 and 9,186.62

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Solution

The fourth proportional to 16,262.78, 22,440.16 and 9,186.62 is: 12,676.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,262.78 : 22,440.16 = 9,186.62 : x
  2. Step 2: Convert to fraction form
    16,262.78/22,440.16 = 9,186.62/x
  3. Step 3: Cross multiply
    16,262.78x = 22,440.16 × 9,186.62
  4. Step 4: Simplify right side
    16,262.78x = 206,149,255.79
  5. Step 5: Solve for x
    x = 206,149,255.79/16,262.78
  6. Step 6: Final answer
    x = 12,676.14

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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.