Home / 16,997.86-23,438.14-11,621.18

Finding the Fourth Proportional to 16,997.86, 23,438.14 and 11,621.18

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Solution

The fourth proportional to 16,997.86, 23,438.14 and 11,621.18 is: 16,024.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,997.86 : 23,438.14 = 11,621.18 : x
  2. Step 2: Convert to fraction form
    16,997.86/23,438.14 = 11,621.18/x
  3. Step 3: Cross multiply
    16,997.86x = 23,438.14 × 11,621.18
  4. Step 4: Simplify right side
    16,997.86x = 272,378,741.14
  5. Step 5: Solve for x
    x = 272,378,741.14/16,997.86
  6. Step 6: Final answer
    x = 16,024.29

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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.