Home / 17,385.58-23,991.96-9,427.78

Finding the Fourth Proportional to 17,385.58, 23,991.96 and 9,427.78

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Solution

The fourth proportional to 17,385.58, 23,991.96 and 9,427.78 is: 13,010.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,385.58 : 23,991.96 = 9,427.78 : x
  2. Step 2: Convert to fraction form
    17,385.58/23,991.96 = 9,427.78/x
  3. Step 3: Cross multiply
    17,385.58x = 23,991.96 × 9,427.78
  4. Step 4: Simplify right side
    17,385.58x = 226,190,920.65
  5. Step 5: Solve for x
    x = 226,190,920.65/17,385.58
  6. Step 6: Final answer
    x = 13,010.26

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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.