Home / 16,670.86-22,997.40-10,999.63

Finding the Fourth Proportional to 16,670.86, 22,997.40 and 10,999.63

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Solution

The fourth proportional to 16,670.86, 22,997.40 and 10,999.63 is: 15,173.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,670.86 : 22,997.40 = 10,999.63 : x
  2. Step 2: Convert to fraction form
    16,670.86/22,997.40 = 10,999.63/x
  3. Step 3: Cross multiply
    16,670.86x = 22,997.40 × 10,999.63
  4. Step 4: Simplify right side
    16,670.86x = 252,962,890.96
  5. Step 5: Solve for x
    x = 252,962,890.96/16,670.86
  6. Step 6: Final answer
    x = 15,173.96

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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.