Home / 16,851.75-23,256.15-9,399.75

Finding the Fourth Proportional to 16,851.75, 23,256.15 and 9,399.75

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Solution

The fourth proportional to 16,851.75, 23,256.15 and 9,399.75 is: 12,972.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851.75 : 23,256.15 = 9,399.75 : x
  2. Step 2: Convert to fraction form
    16,851.75/23,256.15 = 9,399.75/x
  3. Step 3: Cross multiply
    16,851.75x = 23,256.15 × 9,399.75
  4. Step 4: Simplify right side
    16,851.75x = 218,601,995.96
  5. Step 5: Solve for x
    x = 218,601,995.96/16,851.75
  6. Step 6: Final answer
    x = 12,972.06

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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.