Home / 15,241.57-21,033.89-8,527.48

Finding the Fourth Proportional to 15,241.57, 21,033.89 and 8,527.48

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Solution

The fourth proportional to 15,241.57, 21,033.89 and 8,527.48 is: 11,768.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241.57 : 21,033.89 = 8,527.48 : x
  2. Step 2: Convert to fraction form
    15,241.57/21,033.89 = 8,527.48/x
  3. Step 3: Cross multiply
    15,241.57x = 21,033.89 × 8,527.48
  4. Step 4: Simplify right side
    15,241.57x = 179,366,076.30
  5. Step 5: Solve for x
    x = 179,366,076.30/15,241.57
  6. Step 6: Final answer
    x = 11,768.22

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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.