Home / 16,486.32-22,755.26-9,416.90

Finding the Fourth Proportional to 16,486.32, 22,755.26 and 9,416.90

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Solution

The fourth proportional to 16,486.32, 22,755.26 and 9,416.90 is: 12,997.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,486.32 : 22,755.26 = 9,416.90 : x
  2. Step 2: Convert to fraction form
    16,486.32/22,755.26 = 9,416.90/x
  3. Step 3: Cross multiply
    16,486.32x = 22,755.26 × 9,416.90
  4. Step 4: Simplify right side
    16,486.32x = 214,284,007.89
  5. Step 5: Solve for x
    x = 214,284,007.89/16,486.32
  6. Step 6: Final answer
    x = 12,997.69

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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.