Home / 17,936.28-24,751.38-9,978.24

Finding the Fourth Proportional to 17,936.28, 24,751.38 and 9,978.24

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Solution

The fourth proportional to 17,936.28, 24,751.38 and 9,978.24 is: 13,769.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,936.28 : 24,751.38 = 9,978.24 : x
  2. Step 2: Convert to fraction form
    17,936.28/24,751.38 = 9,978.24/x
  3. Step 3: Cross multiply
    17,936.28x = 24,751.38 × 9,978.24
  4. Step 4: Simplify right side
    17,936.28x = 246,975,209.97
  5. Step 5: Solve for x
    x = 246,975,209.97/17,936.28
  6. Step 6: Final answer
    x = 13,769.59

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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.