Home / 17,520.90-24,179.56-9,968.56

Finding the Fourth Proportional to 17,520.90, 24,179.56 and 9,968.56

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Solution

The fourth proportional to 17,520.90, 24,179.56 and 9,968.56 is: 13,757.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520.90 : 24,179.56 = 9,968.56 : x
  2. Step 2: Convert to fraction form
    17,520.90/24,179.56 = 9,968.56/x
  3. Step 3: Cross multiply
    17,520.90x = 24,179.56 × 9,968.56
  4. Step 4: Simplify right side
    17,520.90x = 241,035,394.63
  5. Step 5: Solve for x
    x = 241,035,394.63/17,520.90
  6. Step 6: Final answer
    x = 13,757.02

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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.