Home / 15,241.64-21,033.68-8,527.55

Finding the Fourth Proportional to 15,241.64, 21,033.68 and 8,527.55

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Solution

The fourth proportional to 15,241.64, 21,033.68 and 8,527.55 is: 11,768.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241.64 : 21,033.68 = 8,527.55 : x
  2. Step 2: Convert to fraction form
    15,241.64/21,033.68 = 8,527.55/x
  3. Step 3: Cross multiply
    15,241.64x = 21,033.68 × 8,527.55
  4. Step 4: Simplify right side
    15,241.64x = 179,365,610.08
  5. Step 5: Solve for x
    x = 179,365,610.08/15,241.64
  6. Step 6: Final answer
    x = 11,768.13

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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.