Home / 13,527.88-20,274.24-5,513.29

Finding the Fourth Proportional to 13,527.88, 20,274.24 and 5,513.29

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Solution

The fourth proportional to 13,527.88, 20,274.24 and 5,513.29 is: 8,262.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.88 : 20,274.24 = 5,513.29 : x
  2. Step 2: Convert to fraction form
    13,527.88/20,274.24 = 5,513.29/x
  3. Step 3: Cross multiply
    13,527.88x = 20,274.24 × 5,513.29
  4. Step 4: Simplify right side
    13,527.88x = 111,777,764.65
  5. Step 5: Solve for x
    x = 111,777,764.65/13,527.88
  6. Step 6: Final answer
    x = 8,262.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.