Home / 16,809.43-23,157.16-11,764.75

Finding the Fourth Proportional to 16,809.43, 23,157.16 and 11,764.75

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Solution

The fourth proportional to 16,809.43, 23,157.16 and 11,764.75 is: 16,207.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809.43 : 23,157.16 = 11,764.75 : x
  2. Step 2: Convert to fraction form
    16,809.43/23,157.16 = 11,764.75/x
  3. Step 3: Cross multiply
    16,809.43x = 23,157.16 × 11,764.75
  4. Step 4: Simplify right side
    16,809.43x = 272,438,198.11
  5. Step 5: Solve for x
    x = 272,438,198.11/16,809.43
  6. Step 6: Final answer
    x = 16,207.46

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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.