Home / 16,755.44-23,115.88-9,680.56

Finding the Fourth Proportional to 16,755.44, 23,115.88 and 9,680.56

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Solution

The fourth proportional to 16,755.44, 23,115.88 and 9,680.56 is: 13,355.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,755.44 : 23,115.88 = 9,680.56 : x
  2. Step 2: Convert to fraction form
    16,755.44/23,115.88 = 9,680.56/x
  3. Step 3: Cross multiply
    16,755.44x = 23,115.88 × 9,680.56
  4. Step 4: Simplify right side
    16,755.44x = 223,774,663.29
  5. Step 5: Solve for x
    x = 223,774,663.29/16,755.44
  6. Step 6: Final answer
    x = 13,355.34

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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.