Home / 16,755.28-23,121.37-9,202.60

Finding the Fourth Proportional to 16,755.28, 23,121.37 and 9,202.60

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Solution

The fourth proportional to 16,755.28, 23,121.37 and 9,202.60 is: 12,699.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,755.28 : 23,121.37 = 9,202.60 : x
  2. Step 2: Convert to fraction form
    16,755.28/23,121.37 = 9,202.60/x
  3. Step 3: Cross multiply
    16,755.28x = 23,121.37 × 9,202.60
  4. Step 4: Simplify right side
    16,755.28x = 212,776,638.75
  5. Step 5: Solve for x
    x = 212,776,638.75/16,755.28
  6. Step 6: Final answer
    x = 12,699.08

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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.