Home / 35,173.86-52,755.09-12,997.68

Finding the Fourth Proportional to 35,173.86, 52,755.09 and 12,997.68

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Solution

The fourth proportional to 35,173.86, 52,755.09 and 12,997.68 is: 19,494.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,173.86 : 52,755.09 = 12,997.68 : x
  2. Step 2: Convert to fraction form
    35,173.86/52,755.09 = 12,997.68/x
  3. Step 3: Cross multiply
    35,173.86x = 52,755.09 × 12,997.68
  4. Step 4: Simplify right side
    35,173.86x = 685,693,778.19
  5. Step 5: Solve for x
    x = 685,693,778.19/35,173.86
  6. Step 6: Final answer
    x = 19,494.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.