Home / 17,387.72-23,991.36-10,316.44

Finding the Fourth Proportional to 17,387.72, 23,991.36 and 10,316.44

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Solution

The fourth proportional to 17,387.72, 23,991.36 and 10,316.44 is: 14,234.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.72 : 23,991.36 = 10,316.44 : x
  2. Step 2: Convert to fraction form
    17,387.72/23,991.36 = 10,316.44/x
  3. Step 3: Cross multiply
    17,387.72x = 23,991.36 × 10,316.44
  4. Step 4: Simplify right side
    17,387.72x = 247,505,425.96
  5. Step 5: Solve for x
    x = 247,505,425.96/17,387.72
  6. Step 6: Final answer
    x = 14,234.50

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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.