Home / 17,540.57-24,204.83-9,987.68

Finding the Fourth Proportional to 17,540.57, 24,204.83 and 9,987.68

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Solution

The fourth proportional to 17,540.57, 24,204.83 and 9,987.68 is: 13,782.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,540.57 : 24,204.83 = 9,987.68 : x
  2. Step 2: Convert to fraction form
    17,540.57/24,204.83 = 9,987.68/x
  3. Step 3: Cross multiply
    17,540.57x = 24,204.83 × 9,987.68
  4. Step 4: Simplify right side
    17,540.57x = 241,750,107.07
  5. Step 5: Solve for x
    x = 241,750,107.07/17,540.57
  6. Step 6: Final answer
    x = 13,782.34

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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.